Calculus Examples

$g (x) = \frac{x^{7} {(x - 1)}^{2}}{{(x + 2)}^{2} {(x^{2} + 1)}^{3}}$

Step 1

Differentiate using the Quotient Rule which states that $\frac{d}{d x} [\frac{f (x)}{g (x)}]$ is $\frac{g (x) \frac{d}{d x} [f (x)] - f (x) \frac{d}{d x} [g (x)]}{{g (x)}^{2}}$ where $f (x) = x^{7} {(x - 1)}^{2}$ and $g (x) = {(x + 2)}^{2} {(x^{2} + 1)}^{3}$ .

$\frac{{(x + 2)}^{2} {(x^{2} + 1)}^{3} \frac{d}{d x} [x^{7} {(x - 1)}^{2}] - x^{7} {(x - 1)}^{2} \frac{d}{d x} [{(x + 2)}^{2} {(x^{2} + 1)}^{3}]}{{({(x + 2)}^{2} {(x^{2} + 1)}^{3})}^{2}}$

Step 2

Differentiate using the Product Rule which states that $\frac{d}{d x} [f (x) g (x)]$ is $f (x) \frac{d}{d x} [g (x)] + g (x) \frac{d}{d x} [f (x)]$ where $f (x) = x^{7}$ and $g (x) = {(x - 1)}^{2}$ .

$\frac{{(x + 2)}^{2} {(x^{2} + 1)}^{3} (x^{7} \frac{d}{d x} [{(x - 1)}^{2}] + {(x - 1)}^{2} \frac{d}{d x} [x^{7}]) - x^{7} {(x - 1)}^{2} \frac{d}{d x} [{(x + 2)}^{2} {(x^{2} + 1)}^{3}]}{{({(x + 2)}^{2} {(x^{2} + 1)}^{3})}^{2}}$

Step 3

Differentiate using the chain rule, which states that $\frac{d}{d x} [f (g (x))]$ is $f' (g (x)) g' (x)$ where $f (x) = x^{2}$ and $g (x) = x - 1$ .

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Step 3.1

To apply the Chain Rule, set $u_{1}$ as $x - 1$ .

$\frac{{(x + 2)}^{2} {(x^{2} + 1)}^{3} (x^{7} (\frac{d}{d u_{1}} [{u_{1}}^{2}] \frac{d}{d x} [x - 1]) + {(x - 1)}^{2} \frac{d}{d x} [x^{7}]) - x^{7} {(x - 1)}^{2} \frac{d}{d x} [{(x + 2)}^{2} {(x^{2} + 1)}^{3}]}{{({(x + 2)}^{2} {(x^{2} + 1)}^{3})}^{2}}$

Step 3.2

Differentiate using the Power Rule which states that $\frac{d}{d u_{1}} [{u_{1}}^{n}]$ is $n {u_{1}}^{n - 1}$ where $n = 2$ .

$\frac{{(x + 2)}^{2} {(x^{2} + 1)}^{3} (x^{7} (2 u_{1} \frac{d}{d x} [x - 1]) + {(x - 1)}^{2} \frac{d}{d x} [x^{7}]) - x^{7} {(x - 1)}^{2} \frac{d}{d x} [{(x + 2)}^{2} {(x^{2} + 1)}^{3}]}{{({(x + 2)}^{2} {(x^{2} + 1)}^{3})}^{2}}$

Step 3.3

Replace all occurrences of $u_{1}$ with $x - 1$ .

$\frac{{(x + 2)}^{2} {(x^{2} + 1)}^{3} (x^{7} (2 (x - 1) \frac{d}{d x} [x - 1]) + {(x - 1)}^{2} \frac{d}{d x} [x^{7}]) - x^{7} {(x - 1)}^{2} \frac{d}{d x} [{(x + 2)}^{2} {(x^{2} + 1)}^{3}]}{{({(x + 2)}^{2} {(x^{2} + 1)}^{3})}^{2}}$

Step 4

Differentiate.

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Step 4.1

By the Sum Rule, the derivative of $x - 1$ with respect to $x$ is $\frac{d}{d x} [x] + \frac{d}{d x} [- 1]$ .

$\frac{{(x + 2)}^{2} {(x^{2} + 1)}^{3} (x^{7} (2 (x - 1) (\frac{d}{d x} [x] + \frac{d}{d x} [- 1])) + {(x - 1)}^{2} \frac{d}{d x} [x^{7}]) - x^{7} {(x - 1)}^{2} \frac{d}{d x} [{(x + 2)}^{2} {(x^{2} + 1)}^{3}]}{{({(x + 2)}^{2} {(x^{2} + 1)}^{3})}^{2}}$

Step 4.2

Differentiate using the Power Rule which states that $\frac{d}{d x} [x^{n}]$ is $n x^{n - 1}$ where $n = 1$ .

$\frac{{(x + 2)}^{2} {(x^{2} + 1)}^{3} (x^{7} (2 (x - 1) (1 + \frac{d}{d x} [- 1])) + {(x - 1)}^{2} \frac{d}{d x} [x^{7}]) - x^{7} {(x - 1)}^{2} \frac{d}{d x} [{(x + 2)}^{2} {(x^{2} + 1)}^{3}]}{{({(x + 2)}^{2} {(x^{2} + 1)}^{3})}^{2}}$

Step 4.3

Since $- 1$ is constant with respect to $x$ , the derivative of $- 1$ with respect to $x$ is $0$ .

$\frac{{(x + 2)}^{2} {(x^{2} + 1)}^{3} (x^{7} (2 (x - 1) (1 + 0)) + {(x - 1)}^{2} \frac{d}{d x} [x^{7}]) - x^{7} {(x - 1)}^{2} \frac{d}{d x} [{(x + 2)}^{2} {(x^{2} + 1)}^{3}]}{{({(x + 2)}^{2} {(x^{2} + 1)}^{3})}^{2}}$

Step 4.4

Simplify the expression.

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Step 4.4.1

Add $1$ and $0$ .

$\frac{{(x + 2)}^{2} {(x^{2} + 1)}^{3} (x^{7} (2 (x - 1) \cdot 1) + {(x - 1)}^{2} \frac{d}{d x} [x^{7}]) - x^{7} {(x - 1)}^{2} \frac{d}{d x} [{(x + 2)}^{2} {(x^{2} + 1)}^{3}]}{{({(x + 2)}^{2} {(x^{2} + 1)}^{3})}^{2}}$

Step 4.4.2

Multiply $2$ by $1$ .

$\frac{{(x + 2)}^{2} {(x^{2} + 1)}^{3} (x^{7} (2 (x - 1)) + {(x - 1)}^{2} \frac{d}{d x} [x^{7}]) - x^{7} {(x - 1)}^{2} \frac{d}{d x} [{(x + 2)}^{2} {(x^{2} + 1)}^{3}]}{{({(x + 2)}^{2} {(x^{2} + 1)}^{3})}^{2}}$

Step 4.5

Differentiate using the Power Rule which states that $\frac{d}{d x} [x^{n}]$ is $n x^{n - 1}$ where $n = 7$ .

$\frac{{(x + 2)}^{2} {(x^{2} + 1)}^{3} (x^{7} (2 (x - 1)) + {(x - 1)}^{2} (7 x^{6})) - x^{7} {(x - 1)}^{2} \frac{d}{d x} [{(x + 2)}^{2} {(x^{2} + 1)}^{3}]}{{({(x + 2)}^{2} {(x^{2} + 1)}^{3})}^{2}}$

Step 4.6

Move $7$ to the left of ${(x - 1)}^{2}$ .

$\frac{{(x + 2)}^{2} {(x^{2} + 1)}^{3} (x^{7} (2 (x - 1)) + 7 \cdot {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} \frac{d}{d x} [{(x + 2)}^{2} {(x^{2} + 1)}^{3}]}{{({(x + 2)}^{2} {(x^{2} + 1)}^{3})}^{2}}$

Step 5

Differentiate using the Product Rule which states that $\frac{d}{d x} [f (x) g (x)]$ is $f (x) \frac{d}{d x} [g (x)] + g (x) \frac{d}{d x} [f (x)]$ where $f (x) = {(x + 2)}^{2}$ and $g (x) = {(x^{2} + 1)}^{3}$ .

$\frac{{(x + 2)}^{2} {(x^{2} + 1)}^{3} (x^{7} (2 (x - 1)) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} ({(x + 2)}^{2} \frac{d}{d x} [{(x^{2} + 1)}^{3}] + {(x^{2} + 1)}^{3} \frac{d}{d x} [{(x + 2)}^{2}])}{{({(x + 2)}^{2} {(x^{2} + 1)}^{3})}^{2}}$

Step 6

Differentiate using the chain rule, which states that $\frac{d}{d x} [f (g (x))]$ is $f' (g (x)) g' (x)$ where $f (x) = x^{3}$ and $g (x) = x^{2} + 1$ .

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Step 6.1

To apply the Chain Rule, set $u_{2}$ as $x^{2} + 1$ .

$\frac{{(x + 2)}^{2} {(x^{2} + 1)}^{3} (x^{7} (2 (x - 1)) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} ({(x + 2)}^{2} (\frac{d}{d u_{2}} [{u_{2}}^{3}] \frac{d}{d x} [x^{2} + 1]) + {(x^{2} + 1)}^{3} \frac{d}{d x} [{(x + 2)}^{2}])}{{({(x + 2)}^{2} {(x^{2} + 1)}^{3})}^{2}}$

Step 6.2

Differentiate using the Power Rule which states that $\frac{d}{d u_{2}} [{u_{2}}^{n}]$ is $n {u_{2}}^{n - 1}$ where $n = 3$ .

$\frac{{(x + 2)}^{2} {(x^{2} + 1)}^{3} (x^{7} (2 (x - 1)) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} ({(x + 2)}^{2} (3 {u_{2}}^{2} \frac{d}{d x} [x^{2} + 1]) + {(x^{2} + 1)}^{3} \frac{d}{d x} [{(x + 2)}^{2}])}{{({(x + 2)}^{2} {(x^{2} + 1)}^{3})}^{2}}$

Step 6.3

Replace all occurrences of $u_{2}$ with $x^{2} + 1$ .

$\frac{{(x + 2)}^{2} {(x^{2} + 1)}^{3} (x^{7} (2 (x - 1)) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} ({(x + 2)}^{2} (3 {(x^{2} + 1)}^{2} \frac{d}{d x} [x^{2} + 1]) + {(x^{2} + 1)}^{3} \frac{d}{d x} [{(x + 2)}^{2}])}{{({(x + 2)}^{2} {(x^{2} + 1)}^{3})}^{2}}$

Step 7

Differentiate.

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Step 7.1

Move $3$ to the left of ${(x + 2)}^{2}$ .

$\frac{{(x + 2)}^{2} {(x^{2} + 1)}^{3} (x^{7} (2 (x - 1)) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (3 \cdot {(x + 2)}^{2} {(x^{2} + 1)}^{2} \frac{d}{d x} [x^{2} + 1] + {(x^{2} + 1)}^{3} \frac{d}{d x} [{(x + 2)}^{2}])}{{({(x + 2)}^{2} {(x^{2} + 1)}^{3})}^{2}}$

Step 7.2

By the Sum Rule, the derivative of $x^{2} + 1$ with respect to $x$ is $\frac{d}{d x} [x^{2}] + \frac{d}{d x} [1]$ .

$\frac{{(x + 2)}^{2} {(x^{2} + 1)}^{3} (x^{7} (2 (x - 1)) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (3 {(x + 2)}^{2} {(x^{2} + 1)}^{2} (\frac{d}{d x} [x^{2}] + \frac{d}{d x} [1]) + {(x^{2} + 1)}^{3} \frac{d}{d x} [{(x + 2)}^{2}])}{{({(x + 2)}^{2} {(x^{2} + 1)}^{3})}^{2}}$

Step 7.3

Differentiate using the Power Rule which states that $\frac{d}{d x} [x^{n}]$ is $n x^{n - 1}$ where $n = 2$ .

$\frac{{(x + 2)}^{2} {(x^{2} + 1)}^{3} (x^{7} (2 (x - 1)) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (3 {(x + 2)}^{2} {(x^{2} + 1)}^{2} (2 x + \frac{d}{d x} [1]) + {(x^{2} + 1)}^{3} \frac{d}{d x} [{(x + 2)}^{2}])}{{({(x + 2)}^{2} {(x^{2} + 1)}^{3})}^{2}}$

Step 7.4

Since $1$ is constant with respect to $x$ , the derivative of $1$ with respect to $x$ is $0$ .

$\frac{{(x + 2)}^{2} {(x^{2} + 1)}^{3} (x^{7} (2 (x - 1)) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (3 {(x + 2)}^{2} {(x^{2} + 1)}^{2} (2 x + 0) + {(x^{2} + 1)}^{3} \frac{d}{d x} [{(x + 2)}^{2}])}{{({(x + 2)}^{2} {(x^{2} + 1)}^{3})}^{2}}$

Step 7.5

Simplify the expression.

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Step 7.5.1

Add $2 x$ and $0$ .

$\frac{{(x + 2)}^{2} {(x^{2} + 1)}^{3} (x^{7} (2 (x - 1)) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (3 {(x + 2)}^{2} {(x^{2} + 1)}^{2} (2 x) + {(x^{2} + 1)}^{3} \frac{d}{d x} [{(x + 2)}^{2}])}{{({(x + 2)}^{2} {(x^{2} + 1)}^{3})}^{2}}$

Step 7.5.2

Multiply $2$ by $3$ .

$\frac{{(x + 2)}^{2} {(x^{2} + 1)}^{3} (x^{7} (2 (x - 1)) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + {(x^{2} + 1)}^{3} \frac{d}{d x} [{(x + 2)}^{2}])}{{({(x + 2)}^{2} {(x^{2} + 1)}^{3})}^{2}}$

Step 8

Differentiate using the chain rule, which states that $\frac{d}{d x} [f (g (x))]$ is $f' (g (x)) g' (x)$ where $f (x) = x^{2}$ and $g (x) = x + 2$ .

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Step 8.1

To apply the Chain Rule, set $u_{3}$ as $x + 2$ .

$\frac{{(x + 2)}^{2} {(x^{2} + 1)}^{3} (x^{7} (2 (x - 1)) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + {(x^{2} + 1)}^{3} (\frac{d}{d u_{3}} [{u_{3}}^{2}] \frac{d}{d x} [x + 2]))}{{({(x + 2)}^{2} {(x^{2} + 1)}^{3})}^{2}}$

Step 8.2

Differentiate using the Power Rule which states that $\frac{d}{d u_{3}} [{u_{3}}^{n}]$ is $n {u_{3}}^{n - 1}$ where $n = 2$ .

$\frac{{(x + 2)}^{2} {(x^{2} + 1)}^{3} (x^{7} (2 (x - 1)) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + {(x^{2} + 1)}^{3} (2 u_{3} \frac{d}{d x} [x + 2]))}{{({(x + 2)}^{2} {(x^{2} + 1)}^{3})}^{2}}$

Step 8.3

Replace all occurrences of $u_{3}$ with $x + 2$ .

$\frac{{(x + 2)}^{2} {(x^{2} + 1)}^{3} (x^{7} (2 (x - 1)) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + {(x^{2} + 1)}^{3} (2 (x + 2) \frac{d}{d x} [x + 2]))}{{({(x + 2)}^{2} {(x^{2} + 1)}^{3})}^{2}}$

Step 9

Differentiate.

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Step 9.1

Move $2$ to the left of ${(x^{2} + 1)}^{3}$ .

$\frac{{(x + 2)}^{2} {(x^{2} + 1)}^{3} (x^{7} (2 (x - 1)) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 \cdot {(x^{2} + 1)}^{3} (x + 2) \frac{d}{d x} [x + 2])}{{({(x + 2)}^{2} {(x^{2} + 1)}^{3})}^{2}}$

Step 9.2

By the Sum Rule, the derivative of $x + 2$ with respect to $x$ is $\frac{d}{d x} [x] + \frac{d}{d x} [2]$ .

$\frac{{(x + 2)}^{2} {(x^{2} + 1)}^{3} (x^{7} (2 (x - 1)) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2) (\frac{d}{d x} [x] + \frac{d}{d x} [2]))}{{({(x + 2)}^{2} {(x^{2} + 1)}^{3})}^{2}}$

Step 9.3

Differentiate using the Power Rule which states that $\frac{d}{d x} [x^{n}]$ is $n x^{n - 1}$ where $n = 1$ .

$\frac{{(x + 2)}^{2} {(x^{2} + 1)}^{3} (x^{7} (2 (x - 1)) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2) (1 + \frac{d}{d x} [2]))}{{({(x + 2)}^{2} {(x^{2} + 1)}^{3})}^{2}}$

Step 9.4

Since $2$ is constant with respect to $x$ , the derivative of $2$ with respect to $x$ is $0$ .

$\frac{{(x + 2)}^{2} {(x^{2} + 1)}^{3} (x^{7} (2 (x - 1)) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2) (1 + 0))}{{({(x + 2)}^{2} {(x^{2} + 1)}^{3})}^{2}}$

Step 9.5

Simplify the expression.

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Step 9.5.1

Add $1$ and $0$ .

$\frac{{(x + 2)}^{2} {(x^{2} + 1)}^{3} (x^{7} (2 (x - 1)) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2) \cdot 1)}{{({(x + 2)}^{2} {(x^{2} + 1)}^{3})}^{2}}$

Step 9.5.2

Multiply $2$ by $1$ .

$\frac{{(x + 2)}^{2} {(x^{2} + 1)}^{3} (x^{7} (2 (x - 1)) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2} {(x^{2} + 1)}^{3})}^{2}}$

Step 10

Simplify.

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Step 10.1

Apply the product rule to ${(x + 2)}^{2} {(x^{2} + 1)}^{3}$ .

Step 10.2

Apply the distributive property.

$\frac{{(x + 2)}^{2} {(x^{2} + 1)}^{3} (x^{7} (2 x + 2 \cdot - 1) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.3

Apply the distributive property.

$\frac{{(x + 2)}^{2} {(x^{2} + 1)}^{3} (x^{7} (2 x) + x^{7} (2 \cdot - 1) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4

Simplify the numerator.

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Step 10.4.1

Rewrite ${(x + 2)}^{2}$ as $(x + 2) (x + 2)$ .

$\frac{(x + 2) (x + 2) {(x^{2} + 1)}^{3} (x^{7} (2 x) + x^{7} (2 \cdot - 1) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.2

Expand $(x + 2) (x + 2)$ using the FOIL Method.

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Step 10.4.2.1

Apply the distributive property.

$\frac{(x (x + 2) + 2 (x + 2)) {(x^{2} + 1)}^{3} (x^{7} (2 x) + x^{7} (2 \cdot - 1) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.2.2

Apply the distributive property.

$\frac{(x \cdot x + x \cdot 2 + 2 (x + 2)) {(x^{2} + 1)}^{3} (x^{7} (2 x) + x^{7} (2 \cdot - 1) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.2.3

Apply the distributive property.

$\frac{(x \cdot x + x \cdot 2 + 2 x + 2 \cdot 2) {(x^{2} + 1)}^{3} (x^{7} (2 x) + x^{7} (2 \cdot - 1) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.3

Simplify and combine like terms.

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Step 10.4.3.1

Simplify each term.

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Step 10.4.3.1.1

Multiply $x$ by $x$ .

$\frac{(x^{2} + x \cdot 2 + 2 x + 2 \cdot 2) {(x^{2} + 1)}^{3} (x^{7} (2 x) + x^{7} (2 \cdot - 1) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.3.1.2

Move $2$ to the left of $x$ .

$\frac{(x^{2} + 2 \cdot x + 2 x + 2 \cdot 2) {(x^{2} + 1)}^{3} (x^{7} (2 x) + x^{7} (2 \cdot - 1) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.3.1.3

Multiply $2$ by $2$ .

$\frac{(x^{2} + 2 x + 2 x + 4) {(x^{2} + 1)}^{3} (x^{7} (2 x) + x^{7} (2 \cdot - 1) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.3.2

Add $2 x$ and $2 x$ .

$\frac{(x^{2} + 4 x + 4) {(x^{2} + 1)}^{3} (x^{7} (2 x) + x^{7} (2 \cdot - 1) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.4

Use the Binomial Theorem.

$\frac{(x^{2} + 4 x + 4) ({(x^{2})}^{3} + 3 {(x^{2})}^{2} \cdot 1 + 3 x^{2} \cdot 1^{2} + 1^{3}) (x^{7} (2 x) + x^{7} (2 \cdot - 1) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.5

Simplify each term.

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Step 10.4.5.1

Multiply the exponents in ${(x^{2})}^{3}$ .

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Step 10.4.5.1.1

Apply the power rule and multiply exponents, ${(a^{m})}^{n} = a^{m n}$ .

$\frac{(x^{2} + 4 x + 4) (x^{2 \cdot 3} + 3 {(x^{2})}^{2} \cdot 1 + 3 x^{2} \cdot 1^{2} + 1^{3}) (x^{7} (2 x) + x^{7} (2 \cdot - 1) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.5.1.2

Multiply $2$ by $3$ .

$\frac{(x^{2} + 4 x + 4) (x^{6} + 3 {(x^{2})}^{2} \cdot 1 + 3 x^{2} \cdot 1^{2} + 1^{3}) (x^{7} (2 x) + x^{7} (2 \cdot - 1) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.5.2

Multiply the exponents in ${(x^{2})}^{2}$ .

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Step 10.4.5.2.1

Apply the power rule and multiply exponents, ${(a^{m})}^{n} = a^{m n}$ .

$\frac{(x^{2} + 4 x + 4) (x^{6} + 3 x^{2 \cdot 2} \cdot 1 + 3 x^{2} \cdot 1^{2} + 1^{3}) (x^{7} (2 x) + x^{7} (2 \cdot - 1) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.5.2.2

Multiply $2$ by $2$ .

$\frac{(x^{2} + 4 x + 4) (x^{6} + 3 x^{4} \cdot 1 + 3 x^{2} \cdot 1^{2} + 1^{3}) (x^{7} (2 x) + x^{7} (2 \cdot - 1) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.5.3

Multiply $3$ by $1$ .

$\frac{(x^{2} + 4 x + 4) (x^{6} + 3 x^{4} + 3 x^{2} \cdot 1^{2} + 1^{3}) (x^{7} (2 x) + x^{7} (2 \cdot - 1) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.5.4

One to any power is one.

$\frac{(x^{2} + 4 x + 4) (x^{6} + 3 x^{4} + 3 x^{2} \cdot 1 + 1^{3}) (x^{7} (2 x) + x^{7} (2 \cdot - 1) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.5.5

Multiply $3$ by $1$ .

$\frac{(x^{2} + 4 x + 4) (x^{6} + 3 x^{4} + 3 x^{2} + 1^{3}) (x^{7} (2 x) + x^{7} (2 \cdot - 1) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.5.6

One to any power is one.

$\frac{(x^{2} + 4 x + 4) (x^{6} + 3 x^{4} + 3 x^{2} + 1) (x^{7} (2 x) + x^{7} (2 \cdot - 1) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.6

Expand $(x^{2} + 4 x + 4) (x^{6} + 3 x^{4} + 3 x^{2} + 1)$ by multiplying each term in the first expression by each term in the second expression.

$\frac{(x^{2} x^{6} + x^{2} (3 x^{4}) + x^{2} (3 x^{2}) + x^{2} \cdot 1 + 4 x \cdot x^{6} + 4 x (3 x^{4}) + 4 x (3 x^{2}) + 4 x \cdot 1 + 4 x^{6} + 4 (3 x^{4}) + 4 (3 x^{2}) + 4 \cdot 1) (x^{7} (2 x) + x^{7} (2 \cdot - 1) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.7

Simplify each term.

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Step 10.4.7.1

Multiply $x^{2}$ by $x^{6}$ by adding the exponents.

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Step 10.4.7.1.1

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{(x^{2 + 6} + x^{2} (3 x^{4}) + x^{2} (3 x^{2}) + x^{2} \cdot 1 + 4 x \cdot x^{6} + 4 x (3 x^{4}) + 4 x (3 x^{2}) + 4 x \cdot 1 + 4 x^{6} + 4 (3 x^{4}) + 4 (3 x^{2}) + 4 \cdot 1) (x^{7} (2 x) + x^{7} (2 \cdot - 1) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.7.1.2

Add $2$ and $6$ .

$\frac{(x^{8} + x^{2} (3 x^{4}) + x^{2} (3 x^{2}) + x^{2} \cdot 1 + 4 x \cdot x^{6} + 4 x (3 x^{4}) + 4 x (3 x^{2}) + 4 x \cdot 1 + 4 x^{6} + 4 (3 x^{4}) + 4 (3 x^{2}) + 4 \cdot 1) (x^{7} (2 x) + x^{7} (2 \cdot - 1) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.7.2

Rewrite using the commutative property of multiplication.

$\frac{(x^{8} + 3 x^{2} x^{4} + x^{2} (3 x^{2}) + x^{2} \cdot 1 + 4 x \cdot x^{6} + 4 x (3 x^{4}) + 4 x (3 x^{2}) + 4 x \cdot 1 + 4 x^{6} + 4 (3 x^{4}) + 4 (3 x^{2}) + 4 \cdot 1) (x^{7} (2 x) + x^{7} (2 \cdot - 1) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.7.3

Multiply $x^{2}$ by $x^{4}$ by adding the exponents.

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Step 10.4.7.3.1

Move $x^{4}$ .

$\frac{(x^{8} + 3 (x^{4} x^{2}) + x^{2} (3 x^{2}) + x^{2} \cdot 1 + 4 x \cdot x^{6} + 4 x (3 x^{4}) + 4 x (3 x^{2}) + 4 x \cdot 1 + 4 x^{6} + 4 (3 x^{4}) + 4 (3 x^{2}) + 4 \cdot 1) (x^{7} (2 x) + x^{7} (2 \cdot - 1) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.7.3.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{(x^{8} + 3 x^{4 + 2} + x^{2} (3 x^{2}) + x^{2} \cdot 1 + 4 x \cdot x^{6} + 4 x (3 x^{4}) + 4 x (3 x^{2}) + 4 x \cdot 1 + 4 x^{6} + 4 (3 x^{4}) + 4 (3 x^{2}) + 4 \cdot 1) (x^{7} (2 x) + x^{7} (2 \cdot - 1) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.7.3.3

Add $4$ and $2$ .

$\frac{(x^{8} + 3 x^{6} + x^{2} (3 x^{2}) + x^{2} \cdot 1 + 4 x \cdot x^{6} + 4 x (3 x^{4}) + 4 x (3 x^{2}) + 4 x \cdot 1 + 4 x^{6} + 4 (3 x^{4}) + 4 (3 x^{2}) + 4 \cdot 1) (x^{7} (2 x) + x^{7} (2 \cdot - 1) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.7.4

Rewrite using the commutative property of multiplication.

$\frac{(x^{8} + 3 x^{6} + 3 x^{2} x^{2} + x^{2} \cdot 1 + 4 x \cdot x^{6} + 4 x (3 x^{4}) + 4 x (3 x^{2}) + 4 x \cdot 1 + 4 x^{6} + 4 (3 x^{4}) + 4 (3 x^{2}) + 4 \cdot 1) (x^{7} (2 x) + x^{7} (2 \cdot - 1) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.7.5

Multiply $x^{2}$ by $x^{2}$ by adding the exponents.

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Step 10.4.7.5.1

Move $x^{2}$ .

$\frac{(x^{8} + 3 x^{6} + 3 (x^{2} x^{2}) + x^{2} \cdot 1 + 4 x \cdot x^{6} + 4 x (3 x^{4}) + 4 x (3 x^{2}) + 4 x \cdot 1 + 4 x^{6} + 4 (3 x^{4}) + 4 (3 x^{2}) + 4 \cdot 1) (x^{7} (2 x) + x^{7} (2 \cdot - 1) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.7.5.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{(x^{8} + 3 x^{6} + 3 x^{2 + 2} + x^{2} \cdot 1 + 4 x \cdot x^{6} + 4 x (3 x^{4}) + 4 x (3 x^{2}) + 4 x \cdot 1 + 4 x^{6} + 4 (3 x^{4}) + 4 (3 x^{2}) + 4 \cdot 1) (x^{7} (2 x) + x^{7} (2 \cdot - 1) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.7.5.3

Add $2$ and $2$ .

$\frac{(x^{8} + 3 x^{6} + 3 x^{4} + x^{2} \cdot 1 + 4 x \cdot x^{6} + 4 x (3 x^{4}) + 4 x (3 x^{2}) + 4 x \cdot 1 + 4 x^{6} + 4 (3 x^{4}) + 4 (3 x^{2}) + 4 \cdot 1) (x^{7} (2 x) + x^{7} (2 \cdot - 1) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.7.6

Multiply $x^{2}$ by $1$ .

$\frac{(x^{8} + 3 x^{6} + 3 x^{4} + x^{2} + 4 x \cdot x^{6} + 4 x (3 x^{4}) + 4 x (3 x^{2}) + 4 x \cdot 1 + 4 x^{6} + 4 (3 x^{4}) + 4 (3 x^{2}) + 4 \cdot 1) (x^{7} (2 x) + x^{7} (2 \cdot - 1) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.7.7

Multiply $x$ by $x^{6}$ by adding the exponents.

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Step 10.4.7.7.1

Move $x^{6}$ .

$\frac{(x^{8} + 3 x^{6} + 3 x^{4} + x^{2} + 4 (x^{6} x) + 4 x (3 x^{4}) + 4 x (3 x^{2}) + 4 x \cdot 1 + 4 x^{6} + 4 (3 x^{4}) + 4 (3 x^{2}) + 4 \cdot 1) (x^{7} (2 x) + x^{7} (2 \cdot - 1) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.7.7.2

Multiply $x^{6}$ by $x$ .

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Step 10.4.7.7.2.1

Raise $x$ to the power of $1$ .

$\frac{(x^{8} + 3 x^{6} + 3 x^{4} + x^{2} + 4 (x^{6} x^{1}) + 4 x (3 x^{4}) + 4 x (3 x^{2}) + 4 x \cdot 1 + 4 x^{6} + 4 (3 x^{4}) + 4 (3 x^{2}) + 4 \cdot 1) (x^{7} (2 x) + x^{7} (2 \cdot - 1) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.7.7.2.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{(x^{8} + 3 x^{6} + 3 x^{4} + x^{2} + 4 x^{6 + 1} + 4 x (3 x^{4}) + 4 x (3 x^{2}) + 4 x \cdot 1 + 4 x^{6} + 4 (3 x^{4}) + 4 (3 x^{2}) + 4 \cdot 1) (x^{7} (2 x) + x^{7} (2 \cdot - 1) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.7.7.3

Add $6$ and $1$ .

$\frac{(x^{8} + 3 x^{6} + 3 x^{4} + x^{2} + 4 x^{7} + 4 x (3 x^{4}) + 4 x (3 x^{2}) + 4 x \cdot 1 + 4 x^{6} + 4 (3 x^{4}) + 4 (3 x^{2}) + 4 \cdot 1) (x^{7} (2 x) + x^{7} (2 \cdot - 1) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.7.8

Rewrite using the commutative property of multiplication.

$\frac{(x^{8} + 3 x^{6} + 3 x^{4} + x^{2} + 4 x^{7} + 4 \cdot 3 x \cdot x^{4} + 4 x (3 x^{2}) + 4 x \cdot 1 + 4 x^{6} + 4 (3 x^{4}) + 4 (3 x^{2}) + 4 \cdot 1) (x^{7} (2 x) + x^{7} (2 \cdot - 1) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.7.9

Multiply $x$ by $x^{4}$ by adding the exponents.

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Step 10.4.7.9.1

Move $x^{4}$ .

$\frac{(x^{8} + 3 x^{6} + 3 x^{4} + x^{2} + 4 x^{7} + 4 \cdot 3 (x^{4} x) + 4 x (3 x^{2}) + 4 x \cdot 1 + 4 x^{6} + 4 (3 x^{4}) + 4 (3 x^{2}) + 4 \cdot 1) (x^{7} (2 x) + x^{7} (2 \cdot - 1) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.7.9.2

Multiply $x^{4}$ by $x$ .

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Step 10.4.7.9.2.1

Raise $x$ to the power of $1$ .

$\frac{(x^{8} + 3 x^{6} + 3 x^{4} + x^{2} + 4 x^{7} + 4 \cdot 3 (x^{4} x^{1}) + 4 x (3 x^{2}) + 4 x \cdot 1 + 4 x^{6} + 4 (3 x^{4}) + 4 (3 x^{2}) + 4 \cdot 1) (x^{7} (2 x) + x^{7} (2 \cdot - 1) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.7.9.2.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{(x^{8} + 3 x^{6} + 3 x^{4} + x^{2} + 4 x^{7} + 4 \cdot 3 x^{4 + 1} + 4 x (3 x^{2}) + 4 x \cdot 1 + 4 x^{6} + 4 (3 x^{4}) + 4 (3 x^{2}) + 4 \cdot 1) (x^{7} (2 x) + x^{7} (2 \cdot - 1) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.7.9.3

Add $4$ and $1$ .

$\frac{(x^{8} + 3 x^{6} + 3 x^{4} + x^{2} + 4 x^{7} + 4 \cdot 3 x^{5} + 4 x (3 x^{2}) + 4 x \cdot 1 + 4 x^{6} + 4 (3 x^{4}) + 4 (3 x^{2}) + 4 \cdot 1) (x^{7} (2 x) + x^{7} (2 \cdot - 1) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.7.10

Multiply $4$ by $3$ .

$\frac{(x^{8} + 3 x^{6} + 3 x^{4} + x^{2} + 4 x^{7} + 12 x^{5} + 4 x (3 x^{2}) + 4 x \cdot 1 + 4 x^{6} + 4 (3 x^{4}) + 4 (3 x^{2}) + 4 \cdot 1) (x^{7} (2 x) + x^{7} (2 \cdot - 1) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.7.11

Rewrite using the commutative property of multiplication.

$\frac{(x^{8} + 3 x^{6} + 3 x^{4} + x^{2} + 4 x^{7} + 12 x^{5} + 4 \cdot 3 x \cdot x^{2} + 4 x \cdot 1 + 4 x^{6} + 4 (3 x^{4}) + 4 (3 x^{2}) + 4 \cdot 1) (x^{7} (2 x) + x^{7} (2 \cdot - 1) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.7.12

Multiply $x$ by $x^{2}$ by adding the exponents.

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Step 10.4.7.12.1

Move $x^{2}$ .

$\frac{(x^{8} + 3 x^{6} + 3 x^{4} + x^{2} + 4 x^{7} + 12 x^{5} + 4 \cdot 3 (x^{2} x) + 4 x \cdot 1 + 4 x^{6} + 4 (3 x^{4}) + 4 (3 x^{2}) + 4 \cdot 1) (x^{7} (2 x) + x^{7} (2 \cdot - 1) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.7.12.2

Multiply $x^{2}$ by $x$ .

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Step 10.4.7.12.2.1

Raise $x$ to the power of $1$ .

$\frac{(x^{8} + 3 x^{6} + 3 x^{4} + x^{2} + 4 x^{7} + 12 x^{5} + 4 \cdot 3 (x^{2} x^{1}) + 4 x \cdot 1 + 4 x^{6} + 4 (3 x^{4}) + 4 (3 x^{2}) + 4 \cdot 1) (x^{7} (2 x) + x^{7} (2 \cdot - 1) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.7.12.2.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{(x^{8} + 3 x^{6} + 3 x^{4} + x^{2} + 4 x^{7} + 12 x^{5} + 4 \cdot 3 x^{2 + 1} + 4 x \cdot 1 + 4 x^{6} + 4 (3 x^{4}) + 4 (3 x^{2}) + 4 \cdot 1) (x^{7} (2 x) + x^{7} (2 \cdot - 1) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.7.12.3

Add $2$ and $1$ .

$\frac{(x^{8} + 3 x^{6} + 3 x^{4} + x^{2} + 4 x^{7} + 12 x^{5} + 4 \cdot 3 x^{3} + 4 x \cdot 1 + 4 x^{6} + 4 (3 x^{4}) + 4 (3 x^{2}) + 4 \cdot 1) (x^{7} (2 x) + x^{7} (2 \cdot - 1) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.7.13

Multiply $4$ by $3$ .

$\frac{(x^{8} + 3 x^{6} + 3 x^{4} + x^{2} + 4 x^{7} + 12 x^{5} + 12 x^{3} + 4 x \cdot 1 + 4 x^{6} + 4 (3 x^{4}) + 4 (3 x^{2}) + 4 \cdot 1) (x^{7} (2 x) + x^{7} (2 \cdot - 1) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.7.14

Multiply $4$ by $1$ .

$\frac{(x^{8} + 3 x^{6} + 3 x^{4} + x^{2} + 4 x^{7} + 12 x^{5} + 12 x^{3} + 4 x + 4 x^{6} + 4 (3 x^{4}) + 4 (3 x^{2}) + 4 \cdot 1) (x^{7} (2 x) + x^{7} (2 \cdot - 1) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.7.15

Multiply $3$ by $4$ .

$\frac{(x^{8} + 3 x^{6} + 3 x^{4} + x^{2} + 4 x^{7} + 12 x^{5} + 12 x^{3} + 4 x + 4 x^{6} + 12 x^{4} + 4 (3 x^{2}) + 4 \cdot 1) (x^{7} (2 x) + x^{7} (2 \cdot - 1) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.7.16

Multiply $3$ by $4$ .

$\frac{(x^{8} + 3 x^{6} + 3 x^{4} + x^{2} + 4 x^{7} + 12 x^{5} + 12 x^{3} + 4 x + 4 x^{6} + 12 x^{4} + 12 x^{2} + 4 \cdot 1) (x^{7} (2 x) + x^{7} (2 \cdot - 1) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.7.17

Multiply $4$ by $1$ .

$\frac{(x^{8} + 3 x^{6} + 3 x^{4} + x^{2} + 4 x^{7} + 12 x^{5} + 12 x^{3} + 4 x + 4 x^{6} + 12 x^{4} + 12 x^{2} + 4) (x^{7} (2 x) + x^{7} (2 \cdot - 1) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.8

Add $3 x^{6}$ and $4 x^{6}$ .

$\frac{(x^{8} + 7 x^{6} + 3 x^{4} + x^{2} + 4 x^{7} + 12 x^{5} + 12 x^{3} + 4 x + 12 x^{4} + 12 x^{2} + 4) (x^{7} (2 x) + x^{7} (2 \cdot - 1) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.9

Add $3 x^{4}$ and $12 x^{4}$ .

$\frac{(x^{8} + 7 x^{6} + 15 x^{4} + x^{2} + 4 x^{7} + 12 x^{5} + 12 x^{3} + 4 x + 12 x^{2} + 4) (x^{7} (2 x) + x^{7} (2 \cdot - 1) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.10

Add $x^{2}$ and $12 x^{2}$ .

$\frac{(x^{8} + 7 x^{6} + 15 x^{4} + 4 x^{7} + 12 x^{5} + 12 x^{3} + 4 x + 13 x^{2} + 4) (x^{7} (2 x) + x^{7} (2 \cdot - 1) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.11

Simplify each term.

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Step 10.4.11.1

Rewrite using the commutative property of multiplication.

$\frac{(x^{8} + 7 x^{6} + 15 x^{4} + 4 x^{7} + 12 x^{5} + 12 x^{3} + 4 x + 13 x^{2} + 4) (2 x^{7} x + x^{7} (2 \cdot - 1) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.11.2

Multiply $x^{7}$ by $x$ by adding the exponents.

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Step 10.4.11.2.1

Move $x$ .

$\frac{(x^{8} + 7 x^{6} + 15 x^{4} + 4 x^{7} + 12 x^{5} + 12 x^{3} + 4 x + 13 x^{2} + 4) (2 (x \cdot x^{7}) + x^{7} (2 \cdot - 1) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.11.2.2

Multiply $x$ by $x^{7}$ .

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Step 10.4.11.2.2.1

Raise $x$ to the power of $1$ .

$\frac{(x^{8} + 7 x^{6} + 15 x^{4} + 4 x^{7} + 12 x^{5} + 12 x^{3} + 4 x + 13 x^{2} + 4) (2 (x^{1} x^{7}) + x^{7} (2 \cdot - 1) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.11.2.2.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{(x^{8} + 7 x^{6} + 15 x^{4} + 4 x^{7} + 12 x^{5} + 12 x^{3} + 4 x + 13 x^{2} + 4) (2 x^{1 + 7} + x^{7} (2 \cdot - 1) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.11.2.3

Add $1$ and $7$ .

$\frac{(x^{8} + 7 x^{6} + 15 x^{4} + 4 x^{7} + 12 x^{5} + 12 x^{3} + 4 x + 13 x^{2} + 4) (2 x^{8} + x^{7} (2 \cdot - 1) + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.11.3

Multiply $2$ by $- 1$ .

$\frac{(x^{8} + 7 x^{6} + 15 x^{4} + 4 x^{7} + 12 x^{5} + 12 x^{3} + 4 x + 13 x^{2} + 4) (2 x^{8} + x^{7} \cdot - 2 + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.11.4

Move $- 2$ to the left of $x^{7}$ .

$\frac{(x^{8} + 7 x^{6} + 15 x^{4} + 4 x^{7} + 12 x^{5} + 12 x^{3} + 4 x + 13 x^{2} + 4) (2 x^{8} - 2 \cdot x^{7} + 7 {(x - 1)}^{2} x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.11.5

Rewrite ${(x - 1)}^{2}$ as $(x - 1) (x - 1)$ .

$\frac{(x^{8} + 7 x^{6} + 15 x^{4} + 4 x^{7} + 12 x^{5} + 12 x^{3} + 4 x + 13 x^{2} + 4) (2 x^{8} - 2 x^{7} + 7 ((x - 1) (x - 1)) x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.11.6

Expand $(x - 1) (x - 1)$ using the FOIL Method.

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Step 10.4.11.6.1

Apply the distributive property.

$\frac{(x^{8} + 7 x^{6} + 15 x^{4} + 4 x^{7} + 12 x^{5} + 12 x^{3} + 4 x + 13 x^{2} + 4) (2 x^{8} - 2 x^{7} + 7 (x (x - 1) - 1 (x - 1)) x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.11.6.2

Apply the distributive property.

$\frac{(x^{8} + 7 x^{6} + 15 x^{4} + 4 x^{7} + 12 x^{5} + 12 x^{3} + 4 x + 13 x^{2} + 4) (2 x^{8} - 2 x^{7} + 7 (x \cdot x + x \cdot - 1 - 1 (x - 1)) x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.11.6.3

Apply the distributive property.

$\frac{(x^{8} + 7 x^{6} + 15 x^{4} + 4 x^{7} + 12 x^{5} + 12 x^{3} + 4 x + 13 x^{2} + 4) (2 x^{8} - 2 x^{7} + 7 (x \cdot x + x \cdot - 1 - 1 x - 1 \cdot - 1) x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.11.7

Simplify and combine like terms.

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Step 10.4.11.7.1

Simplify each term.

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Step 10.4.11.7.1.1

Multiply $x$ by $x$ .

$\frac{(x^{8} + 7 x^{6} + 15 x^{4} + 4 x^{7} + 12 x^{5} + 12 x^{3} + 4 x + 13 x^{2} + 4) (2 x^{8} - 2 x^{7} + 7 (x^{2} + x \cdot - 1 - 1 x - 1 \cdot - 1) x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.11.7.1.2

Move $- 1$ to the left of $x$ .

$\frac{(x^{8} + 7 x^{6} + 15 x^{4} + 4 x^{7} + 12 x^{5} + 12 x^{3} + 4 x + 13 x^{2} + 4) (2 x^{8} - 2 x^{7} + 7 (x^{2} - 1 \cdot x - 1 x - 1 \cdot - 1) x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.11.7.1.3

Rewrite $- 1 x$ as $- x$ .

$\frac{(x^{8} + 7 x^{6} + 15 x^{4} + 4 x^{7} + 12 x^{5} + 12 x^{3} + 4 x + 13 x^{2} + 4) (2 x^{8} - 2 x^{7} + 7 (x^{2} - x - 1 x - 1 \cdot - 1) x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.11.7.1.4

Rewrite $- 1 x$ as $- x$ .

$\frac{(x^{8} + 7 x^{6} + 15 x^{4} + 4 x^{7} + 12 x^{5} + 12 x^{3} + 4 x + 13 x^{2} + 4) (2 x^{8} - 2 x^{7} + 7 (x^{2} - x - x - 1 \cdot - 1) x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.11.7.1.5

Multiply $- 1$ by $- 1$ .

$\frac{(x^{8} + 7 x^{6} + 15 x^{4} + 4 x^{7} + 12 x^{5} + 12 x^{3} + 4 x + 13 x^{2} + 4) (2 x^{8} - 2 x^{7} + 7 (x^{2} - x - x + 1) x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.11.7.2

Subtract $x$ from $- x$ .

$\frac{(x^{8} + 7 x^{6} + 15 x^{4} + 4 x^{7} + 12 x^{5} + 12 x^{3} + 4 x + 13 x^{2} + 4) (2 x^{8} - 2 x^{7} + 7 (x^{2} - 2 x + 1) x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.11.8

Apply the distributive property.

$\frac{(x^{8} + 7 x^{6} + 15 x^{4} + 4 x^{7} + 12 x^{5} + 12 x^{3} + 4 x + 13 x^{2} + 4) (2 x^{8} - 2 x^{7} + (7 x^{2} + 7 (- 2 x) + 7 \cdot 1) x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.11.9

Simplify.

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Step 10.4.11.9.1

Multiply $- 2$ by $7$ .

$\frac{(x^{8} + 7 x^{6} + 15 x^{4} + 4 x^{7} + 12 x^{5} + 12 x^{3} + 4 x + 13 x^{2} + 4) (2 x^{8} - 2 x^{7} + (7 x^{2} - 14 x + 7 \cdot 1) x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.11.9.2

Multiply $7$ by $1$ .

$\frac{(x^{8} + 7 x^{6} + 15 x^{4} + 4 x^{7} + 12 x^{5} + 12 x^{3} + 4 x + 13 x^{2} + 4) (2 x^{8} - 2 x^{7} + (7 x^{2} - 14 x + 7) x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.11.10

Apply the distributive property.

$\frac{(x^{8} + 7 x^{6} + 15 x^{4} + 4 x^{7} + 12 x^{5} + 12 x^{3} + 4 x + 13 x^{2} + 4) (2 x^{8} - 2 x^{7} + 7 x^{2} x^{6} - 14 x \cdot x^{6} + 7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.11.11

Simplify.

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Step 10.4.11.11.1

Multiply $x^{2}$ by $x^{6}$ by adding the exponents.

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Step 10.4.11.11.1.1

Move $x^{6}$ .

$\frac{(x^{8} + 7 x^{6} + 15 x^{4} + 4 x^{7} + 12 x^{5} + 12 x^{3} + 4 x + 13 x^{2} + 4) (2 x^{8} - 2 x^{7} + 7 (x^{6} x^{2}) - 14 x \cdot x^{6} + 7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.11.11.1.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{(x^{8} + 7 x^{6} + 15 x^{4} + 4 x^{7} + 12 x^{5} + 12 x^{3} + 4 x + 13 x^{2} + 4) (2 x^{8} - 2 x^{7} + 7 x^{6 + 2} - 14 x \cdot x^{6} + 7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.11.11.1.3

Add $6$ and $2$ .

$\frac{(x^{8} + 7 x^{6} + 15 x^{4} + 4 x^{7} + 12 x^{5} + 12 x^{3} + 4 x + 13 x^{2} + 4) (2 x^{8} - 2 x^{7} + 7 x^{8} - 14 x \cdot x^{6} + 7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.11.11.2

Multiply $x$ by $x^{6}$ by adding the exponents.

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Step 10.4.11.11.2.1

Move $x^{6}$ .

$\frac{(x^{8} + 7 x^{6} + 15 x^{4} + 4 x^{7} + 12 x^{5} + 12 x^{3} + 4 x + 13 x^{2} + 4) (2 x^{8} - 2 x^{7} + 7 x^{8} - 14 (x^{6} x) + 7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.11.11.2.2

Multiply $x^{6}$ by $x$ .

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Step 10.4.11.11.2.2.1

Raise $x$ to the power of $1$ .

$\frac{(x^{8} + 7 x^{6} + 15 x^{4} + 4 x^{7} + 12 x^{5} + 12 x^{3} + 4 x + 13 x^{2} + 4) (2 x^{8} - 2 x^{7} + 7 x^{8} - 14 (x^{6} x^{1}) + 7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.11.11.2.2.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{(x^{8} + 7 x^{6} + 15 x^{4} + 4 x^{7} + 12 x^{5} + 12 x^{3} + 4 x + 13 x^{2} + 4) (2 x^{8} - 2 x^{7} + 7 x^{8} - 14 x^{6 + 1} + 7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.11.11.2.3

Add $6$ and $1$ .

$\frac{(x^{8} + 7 x^{6} + 15 x^{4} + 4 x^{7} + 12 x^{5} + 12 x^{3} + 4 x + 13 x^{2} + 4) (2 x^{8} - 2 x^{7} + 7 x^{8} - 14 x^{7} + 7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.12

Add $2 x^{8}$ and $7 x^{8}$ .

$\frac{(x^{8} + 7 x^{6} + 15 x^{4} + 4 x^{7} + 12 x^{5} + 12 x^{3} + 4 x + 13 x^{2} + 4) (9 x^{8} - 2 x^{7} - 14 x^{7} + 7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.13

Subtract $14 x^{7}$ from $- 2 x^{7}$ .

$\frac{(x^{8} + 7 x^{6} + 15 x^{4} + 4 x^{7} + 12 x^{5} + 12 x^{3} + 4 x + 13 x^{2} + 4) (9 x^{8} - 16 x^{7} + 7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.14

Expand $(x^{8} + 7 x^{6} + 15 x^{4} + 4 x^{7} + 12 x^{5} + 12 x^{3} + 4 x + 13 x^{2} + 4) (9 x^{8} - 16 x^{7} + 7 x^{6})$ by multiplying each term in the first expression by each term in the second expression.

$\frac{x^{8} (9 x^{8}) + x^{8} (- 16 x^{7}) + x^{8} (7 x^{6}) + 7 x^{6} (9 x^{8}) + 7 x^{6} (- 16 x^{7}) + 7 x^{6} (7 x^{6}) + 15 x^{4} (9 x^{8}) + 15 x^{4} (- 16 x^{7}) + 15 x^{4} (7 x^{6}) + 4 x^{7} (9 x^{8}) + 4 x^{7} (- 16 x^{7}) + 4 x^{7} (7 x^{6}) + 12 x^{5} (9 x^{8}) + 12 x^{5} (- 16 x^{7}) + 12 x^{5} (7 x^{6}) + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15

Simplify each term.

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Step 10.4.15.1

Rewrite using the commutative property of multiplication.

$\frac{9 x^{8} x^{8} + x^{8} (- 16 x^{7}) + x^{8} (7 x^{6}) + 7 x^{6} (9 x^{8}) + 7 x^{6} (- 16 x^{7}) + 7 x^{6} (7 x^{6}) + 15 x^{4} (9 x^{8}) + 15 x^{4} (- 16 x^{7}) + 15 x^{4} (7 x^{6}) + 4 x^{7} (9 x^{8}) + 4 x^{7} (- 16 x^{7}) + 4 x^{7} (7 x^{6}) + 12 x^{5} (9 x^{8}) + 12 x^{5} (- 16 x^{7}) + 12 x^{5} (7 x^{6}) + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.2

Multiply $x^{8}$ by $x^{8}$ by adding the exponents.

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Step 10.4.15.2.1

Move $x^{8}$ .

$\frac{9 (x^{8} x^{8}) + x^{8} (- 16 x^{7}) + x^{8} (7 x^{6}) + 7 x^{6} (9 x^{8}) + 7 x^{6} (- 16 x^{7}) + 7 x^{6} (7 x^{6}) + 15 x^{4} (9 x^{8}) + 15 x^{4} (- 16 x^{7}) + 15 x^{4} (7 x^{6}) + 4 x^{7} (9 x^{8}) + 4 x^{7} (- 16 x^{7}) + 4 x^{7} (7 x^{6}) + 12 x^{5} (9 x^{8}) + 12 x^{5} (- 16 x^{7}) + 12 x^{5} (7 x^{6}) + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.2.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{9 x^{8 + 8} + x^{8} (- 16 x^{7}) + x^{8} (7 x^{6}) + 7 x^{6} (9 x^{8}) + 7 x^{6} (- 16 x^{7}) + 7 x^{6} (7 x^{6}) + 15 x^{4} (9 x^{8}) + 15 x^{4} (- 16 x^{7}) + 15 x^{4} (7 x^{6}) + 4 x^{7} (9 x^{8}) + 4 x^{7} (- 16 x^{7}) + 4 x^{7} (7 x^{6}) + 12 x^{5} (9 x^{8}) + 12 x^{5} (- 16 x^{7}) + 12 x^{5} (7 x^{6}) + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.2.3

Add $8$ and $8$ .

$\frac{9 x^{16} + x^{8} (- 16 x^{7}) + x^{8} (7 x^{6}) + 7 x^{6} (9 x^{8}) + 7 x^{6} (- 16 x^{7}) + 7 x^{6} (7 x^{6}) + 15 x^{4} (9 x^{8}) + 15 x^{4} (- 16 x^{7}) + 15 x^{4} (7 x^{6}) + 4 x^{7} (9 x^{8}) + 4 x^{7} (- 16 x^{7}) + 4 x^{7} (7 x^{6}) + 12 x^{5} (9 x^{8}) + 12 x^{5} (- 16 x^{7}) + 12 x^{5} (7 x^{6}) + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.3

Rewrite using the commutative property of multiplication.

$\frac{9 x^{16} - 16 x^{8} x^{7} + x^{8} (7 x^{6}) + 7 x^{6} (9 x^{8}) + 7 x^{6} (- 16 x^{7}) + 7 x^{6} (7 x^{6}) + 15 x^{4} (9 x^{8}) + 15 x^{4} (- 16 x^{7}) + 15 x^{4} (7 x^{6}) + 4 x^{7} (9 x^{8}) + 4 x^{7} (- 16 x^{7}) + 4 x^{7} (7 x^{6}) + 12 x^{5} (9 x^{8}) + 12 x^{5} (- 16 x^{7}) + 12 x^{5} (7 x^{6}) + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.4

Multiply $x^{8}$ by $x^{7}$ by adding the exponents.

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Step 10.4.15.4.1

Move $x^{7}$ .

$\frac{9 x^{16} - 16 (x^{7} x^{8}) + x^{8} (7 x^{6}) + 7 x^{6} (9 x^{8}) + 7 x^{6} (- 16 x^{7}) + 7 x^{6} (7 x^{6}) + 15 x^{4} (9 x^{8}) + 15 x^{4} (- 16 x^{7}) + 15 x^{4} (7 x^{6}) + 4 x^{7} (9 x^{8}) + 4 x^{7} (- 16 x^{7}) + 4 x^{7} (7 x^{6}) + 12 x^{5} (9 x^{8}) + 12 x^{5} (- 16 x^{7}) + 12 x^{5} (7 x^{6}) + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.4.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{9 x^{16} - 16 x^{7 + 8} + x^{8} (7 x^{6}) + 7 x^{6} (9 x^{8}) + 7 x^{6} (- 16 x^{7}) + 7 x^{6} (7 x^{6}) + 15 x^{4} (9 x^{8}) + 15 x^{4} (- 16 x^{7}) + 15 x^{4} (7 x^{6}) + 4 x^{7} (9 x^{8}) + 4 x^{7} (- 16 x^{7}) + 4 x^{7} (7 x^{6}) + 12 x^{5} (9 x^{8}) + 12 x^{5} (- 16 x^{7}) + 12 x^{5} (7 x^{6}) + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.4.3

Add $7$ and $8$ .

$\frac{9 x^{16} - 16 x^{15} + x^{8} (7 x^{6}) + 7 x^{6} (9 x^{8}) + 7 x^{6} (- 16 x^{7}) + 7 x^{6} (7 x^{6}) + 15 x^{4} (9 x^{8}) + 15 x^{4} (- 16 x^{7}) + 15 x^{4} (7 x^{6}) + 4 x^{7} (9 x^{8}) + 4 x^{7} (- 16 x^{7}) + 4 x^{7} (7 x^{6}) + 12 x^{5} (9 x^{8}) + 12 x^{5} (- 16 x^{7}) + 12 x^{5} (7 x^{6}) + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.5

Rewrite using the commutative property of multiplication.

$\frac{9 x^{16} - 16 x^{15} + 7 x^{8} x^{6} + 7 x^{6} (9 x^{8}) + 7 x^{6} (- 16 x^{7}) + 7 x^{6} (7 x^{6}) + 15 x^{4} (9 x^{8}) + 15 x^{4} (- 16 x^{7}) + 15 x^{4} (7 x^{6}) + 4 x^{7} (9 x^{8}) + 4 x^{7} (- 16 x^{7}) + 4 x^{7} (7 x^{6}) + 12 x^{5} (9 x^{8}) + 12 x^{5} (- 16 x^{7}) + 12 x^{5} (7 x^{6}) + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.6

Multiply $x^{8}$ by $x^{6}$ by adding the exponents.

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Step 10.4.15.6.1

Move $x^{6}$ .

$\frac{9 x^{16} - 16 x^{15} + 7 (x^{6} x^{8}) + 7 x^{6} (9 x^{8}) + 7 x^{6} (- 16 x^{7}) + 7 x^{6} (7 x^{6}) + 15 x^{4} (9 x^{8}) + 15 x^{4} (- 16 x^{7}) + 15 x^{4} (7 x^{6}) + 4 x^{7} (9 x^{8}) + 4 x^{7} (- 16 x^{7}) + 4 x^{7} (7 x^{6}) + 12 x^{5} (9 x^{8}) + 12 x^{5} (- 16 x^{7}) + 12 x^{5} (7 x^{6}) + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.6.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{9 x^{16} - 16 x^{15} + 7 x^{6 + 8} + 7 x^{6} (9 x^{8}) + 7 x^{6} (- 16 x^{7}) + 7 x^{6} (7 x^{6}) + 15 x^{4} (9 x^{8}) + 15 x^{4} (- 16 x^{7}) + 15 x^{4} (7 x^{6}) + 4 x^{7} (9 x^{8}) + 4 x^{7} (- 16 x^{7}) + 4 x^{7} (7 x^{6}) + 12 x^{5} (9 x^{8}) + 12 x^{5} (- 16 x^{7}) + 12 x^{5} (7 x^{6}) + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.6.3

Add $6$ and $8$ .

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 7 x^{6} (9 x^{8}) + 7 x^{6} (- 16 x^{7}) + 7 x^{6} (7 x^{6}) + 15 x^{4} (9 x^{8}) + 15 x^{4} (- 16 x^{7}) + 15 x^{4} (7 x^{6}) + 4 x^{7} (9 x^{8}) + 4 x^{7} (- 16 x^{7}) + 4 x^{7} (7 x^{6}) + 12 x^{5} (9 x^{8}) + 12 x^{5} (- 16 x^{7}) + 12 x^{5} (7 x^{6}) + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.7

Rewrite using the commutative property of multiplication.

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 7 \cdot 9 x^{6} x^{8} + 7 x^{6} (- 16 x^{7}) + 7 x^{6} (7 x^{6}) + 15 x^{4} (9 x^{8}) + 15 x^{4} (- 16 x^{7}) + 15 x^{4} (7 x^{6}) + 4 x^{7} (9 x^{8}) + 4 x^{7} (- 16 x^{7}) + 4 x^{7} (7 x^{6}) + 12 x^{5} (9 x^{8}) + 12 x^{5} (- 16 x^{7}) + 12 x^{5} (7 x^{6}) + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.8

Multiply $x^{6}$ by $x^{8}$ by adding the exponents.

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Step 10.4.15.8.1

Move $x^{8}$ .

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 7 \cdot 9 (x^{8} x^{6}) + 7 x^{6} (- 16 x^{7}) + 7 x^{6} (7 x^{6}) + 15 x^{4} (9 x^{8}) + 15 x^{4} (- 16 x^{7}) + 15 x^{4} (7 x^{6}) + 4 x^{7} (9 x^{8}) + 4 x^{7} (- 16 x^{7}) + 4 x^{7} (7 x^{6}) + 12 x^{5} (9 x^{8}) + 12 x^{5} (- 16 x^{7}) + 12 x^{5} (7 x^{6}) + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.8.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 7 \cdot 9 x^{8 + 6} + 7 x^{6} (- 16 x^{7}) + 7 x^{6} (7 x^{6}) + 15 x^{4} (9 x^{8}) + 15 x^{4} (- 16 x^{7}) + 15 x^{4} (7 x^{6}) + 4 x^{7} (9 x^{8}) + 4 x^{7} (- 16 x^{7}) + 4 x^{7} (7 x^{6}) + 12 x^{5} (9 x^{8}) + 12 x^{5} (- 16 x^{7}) + 12 x^{5} (7 x^{6}) + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.8.3

Add $8$ and $6$ .

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 7 \cdot 9 x^{14} + 7 x^{6} (- 16 x^{7}) + 7 x^{6} (7 x^{6}) + 15 x^{4} (9 x^{8}) + 15 x^{4} (- 16 x^{7}) + 15 x^{4} (7 x^{6}) + 4 x^{7} (9 x^{8}) + 4 x^{7} (- 16 x^{7}) + 4 x^{7} (7 x^{6}) + 12 x^{5} (9 x^{8}) + 12 x^{5} (- 16 x^{7}) + 12 x^{5} (7 x^{6}) + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.9

Multiply $7$ by $9$ .

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} + 7 x^{6} (- 16 x^{7}) + 7 x^{6} (7 x^{6}) + 15 x^{4} (9 x^{8}) + 15 x^{4} (- 16 x^{7}) + 15 x^{4} (7 x^{6}) + 4 x^{7} (9 x^{8}) + 4 x^{7} (- 16 x^{7}) + 4 x^{7} (7 x^{6}) + 12 x^{5} (9 x^{8}) + 12 x^{5} (- 16 x^{7}) + 12 x^{5} (7 x^{6}) + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.10

Rewrite using the commutative property of multiplication.

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} + 7 \cdot - 16 x^{6} x^{7} + 7 x^{6} (7 x^{6}) + 15 x^{4} (9 x^{8}) + 15 x^{4} (- 16 x^{7}) + 15 x^{4} (7 x^{6}) + 4 x^{7} (9 x^{8}) + 4 x^{7} (- 16 x^{7}) + 4 x^{7} (7 x^{6}) + 12 x^{5} (9 x^{8}) + 12 x^{5} (- 16 x^{7}) + 12 x^{5} (7 x^{6}) + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.11

Multiply $x^{6}$ by $x^{7}$ by adding the exponents.

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Step 10.4.15.11.1

Move $x^{7}$ .

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} + 7 \cdot - 16 (x^{7} x^{6}) + 7 x^{6} (7 x^{6}) + 15 x^{4} (9 x^{8}) + 15 x^{4} (- 16 x^{7}) + 15 x^{4} (7 x^{6}) + 4 x^{7} (9 x^{8}) + 4 x^{7} (- 16 x^{7}) + 4 x^{7} (7 x^{6}) + 12 x^{5} (9 x^{8}) + 12 x^{5} (- 16 x^{7}) + 12 x^{5} (7 x^{6}) + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.11.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} + 7 \cdot - 16 x^{7 + 6} + 7 x^{6} (7 x^{6}) + 15 x^{4} (9 x^{8}) + 15 x^{4} (- 16 x^{7}) + 15 x^{4} (7 x^{6}) + 4 x^{7} (9 x^{8}) + 4 x^{7} (- 16 x^{7}) + 4 x^{7} (7 x^{6}) + 12 x^{5} (9 x^{8}) + 12 x^{5} (- 16 x^{7}) + 12 x^{5} (7 x^{6}) + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.11.3

Add $7$ and $6$ .

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} + 7 \cdot - 16 x^{13} + 7 x^{6} (7 x^{6}) + 15 x^{4} (9 x^{8}) + 15 x^{4} (- 16 x^{7}) + 15 x^{4} (7 x^{6}) + 4 x^{7} (9 x^{8}) + 4 x^{7} (- 16 x^{7}) + 4 x^{7} (7 x^{6}) + 12 x^{5} (9 x^{8}) + 12 x^{5} (- 16 x^{7}) + 12 x^{5} (7 x^{6}) + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.12

Multiply $7$ by $- 16$ .

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 7 x^{6} (7 x^{6}) + 15 x^{4} (9 x^{8}) + 15 x^{4} (- 16 x^{7}) + 15 x^{4} (7 x^{6}) + 4 x^{7} (9 x^{8}) + 4 x^{7} (- 16 x^{7}) + 4 x^{7} (7 x^{6}) + 12 x^{5} (9 x^{8}) + 12 x^{5} (- 16 x^{7}) + 12 x^{5} (7 x^{6}) + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.13

Rewrite using the commutative property of multiplication.

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 7 \cdot 7 x^{6} x^{6} + 15 x^{4} (9 x^{8}) + 15 x^{4} (- 16 x^{7}) + 15 x^{4} (7 x^{6}) + 4 x^{7} (9 x^{8}) + 4 x^{7} (- 16 x^{7}) + 4 x^{7} (7 x^{6}) + 12 x^{5} (9 x^{8}) + 12 x^{5} (- 16 x^{7}) + 12 x^{5} (7 x^{6}) + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.14

Multiply $x^{6}$ by $x^{6}$ by adding the exponents.

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Step 10.4.15.14.1

Move $x^{6}$ .

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 7 \cdot 7 (x^{6} x^{6}) + 15 x^{4} (9 x^{8}) + 15 x^{4} (- 16 x^{7}) + 15 x^{4} (7 x^{6}) + 4 x^{7} (9 x^{8}) + 4 x^{7} (- 16 x^{7}) + 4 x^{7} (7 x^{6}) + 12 x^{5} (9 x^{8}) + 12 x^{5} (- 16 x^{7}) + 12 x^{5} (7 x^{6}) + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.14.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 7 \cdot 7 x^{6 + 6} + 15 x^{4} (9 x^{8}) + 15 x^{4} (- 16 x^{7}) + 15 x^{4} (7 x^{6}) + 4 x^{7} (9 x^{8}) + 4 x^{7} (- 16 x^{7}) + 4 x^{7} (7 x^{6}) + 12 x^{5} (9 x^{8}) + 12 x^{5} (- 16 x^{7}) + 12 x^{5} (7 x^{6}) + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.14.3

Add $6$ and $6$ .

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 7 \cdot 7 x^{12} + 15 x^{4} (9 x^{8}) + 15 x^{4} (- 16 x^{7}) + 15 x^{4} (7 x^{6}) + 4 x^{7} (9 x^{8}) + 4 x^{7} (- 16 x^{7}) + 4 x^{7} (7 x^{6}) + 12 x^{5} (9 x^{8}) + 12 x^{5} (- 16 x^{7}) + 12 x^{5} (7 x^{6}) + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.15

Multiply $7$ by $7$ .

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 15 x^{4} (9 x^{8}) + 15 x^{4} (- 16 x^{7}) + 15 x^{4} (7 x^{6}) + 4 x^{7} (9 x^{8}) + 4 x^{7} (- 16 x^{7}) + 4 x^{7} (7 x^{6}) + 12 x^{5} (9 x^{8}) + 12 x^{5} (- 16 x^{7}) + 12 x^{5} (7 x^{6}) + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.16

Rewrite using the commutative property of multiplication.

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 15 \cdot 9 x^{4} x^{8} + 15 x^{4} (- 16 x^{7}) + 15 x^{4} (7 x^{6}) + 4 x^{7} (9 x^{8}) + 4 x^{7} (- 16 x^{7}) + 4 x^{7} (7 x^{6}) + 12 x^{5} (9 x^{8}) + 12 x^{5} (- 16 x^{7}) + 12 x^{5} (7 x^{6}) + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.17

Multiply $x^{4}$ by $x^{8}$ by adding the exponents.

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Step 10.4.15.17.1

Move $x^{8}$ .

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 15 \cdot 9 (x^{8} x^{4}) + 15 x^{4} (- 16 x^{7}) + 15 x^{4} (7 x^{6}) + 4 x^{7} (9 x^{8}) + 4 x^{7} (- 16 x^{7}) + 4 x^{7} (7 x^{6}) + 12 x^{5} (9 x^{8}) + 12 x^{5} (- 16 x^{7}) + 12 x^{5} (7 x^{6}) + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.17.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 15 \cdot 9 x^{8 + 4} + 15 x^{4} (- 16 x^{7}) + 15 x^{4} (7 x^{6}) + 4 x^{7} (9 x^{8}) + 4 x^{7} (- 16 x^{7}) + 4 x^{7} (7 x^{6}) + 12 x^{5} (9 x^{8}) + 12 x^{5} (- 16 x^{7}) + 12 x^{5} (7 x^{6}) + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.17.3

Add $8$ and $4$ .

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 15 \cdot 9 x^{12} + 15 x^{4} (- 16 x^{7}) + 15 x^{4} (7 x^{6}) + 4 x^{7} (9 x^{8}) + 4 x^{7} (- 16 x^{7}) + 4 x^{7} (7 x^{6}) + 12 x^{5} (9 x^{8}) + 12 x^{5} (- 16 x^{7}) + 12 x^{5} (7 x^{6}) + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.18

Multiply $15$ by $9$ .

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} + 15 x^{4} (- 16 x^{7}) + 15 x^{4} (7 x^{6}) + 4 x^{7} (9 x^{8}) + 4 x^{7} (- 16 x^{7}) + 4 x^{7} (7 x^{6}) + 12 x^{5} (9 x^{8}) + 12 x^{5} (- 16 x^{7}) + 12 x^{5} (7 x^{6}) + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.19

Rewrite using the commutative property of multiplication.

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} + 15 \cdot - 16 x^{4} x^{7} + 15 x^{4} (7 x^{6}) + 4 x^{7} (9 x^{8}) + 4 x^{7} (- 16 x^{7}) + 4 x^{7} (7 x^{6}) + 12 x^{5} (9 x^{8}) + 12 x^{5} (- 16 x^{7}) + 12 x^{5} (7 x^{6}) + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.20

Multiply $x^{4}$ by $x^{7}$ by adding the exponents.

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Step 10.4.15.20.1

Move $x^{7}$ .

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} + 15 \cdot - 16 (x^{7} x^{4}) + 15 x^{4} (7 x^{6}) + 4 x^{7} (9 x^{8}) + 4 x^{7} (- 16 x^{7}) + 4 x^{7} (7 x^{6}) + 12 x^{5} (9 x^{8}) + 12 x^{5} (- 16 x^{7}) + 12 x^{5} (7 x^{6}) + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.20.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} + 15 \cdot - 16 x^{7 + 4} + 15 x^{4} (7 x^{6}) + 4 x^{7} (9 x^{8}) + 4 x^{7} (- 16 x^{7}) + 4 x^{7} (7 x^{6}) + 12 x^{5} (9 x^{8}) + 12 x^{5} (- 16 x^{7}) + 12 x^{5} (7 x^{6}) + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.20.3

Add $7$ and $4$ .

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} + 15 \cdot - 16 x^{11} + 15 x^{4} (7 x^{6}) + 4 x^{7} (9 x^{8}) + 4 x^{7} (- 16 x^{7}) + 4 x^{7} (7 x^{6}) + 12 x^{5} (9 x^{8}) + 12 x^{5} (- 16 x^{7}) + 12 x^{5} (7 x^{6}) + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.21

Multiply $15$ by $- 16$ .

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 15 x^{4} (7 x^{6}) + 4 x^{7} (9 x^{8}) + 4 x^{7} (- 16 x^{7}) + 4 x^{7} (7 x^{6}) + 12 x^{5} (9 x^{8}) + 12 x^{5} (- 16 x^{7}) + 12 x^{5} (7 x^{6}) + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.22

Rewrite using the commutative property of multiplication.

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 15 \cdot 7 x^{4} x^{6} + 4 x^{7} (9 x^{8}) + 4 x^{7} (- 16 x^{7}) + 4 x^{7} (7 x^{6}) + 12 x^{5} (9 x^{8}) + 12 x^{5} (- 16 x^{7}) + 12 x^{5} (7 x^{6}) + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.23

Multiply $x^{4}$ by $x^{6}$ by adding the exponents.

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Step 10.4.15.23.1

Move $x^{6}$ .

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 15 \cdot 7 (x^{6} x^{4}) + 4 x^{7} (9 x^{8}) + 4 x^{7} (- 16 x^{7}) + 4 x^{7} (7 x^{6}) + 12 x^{5} (9 x^{8}) + 12 x^{5} (- 16 x^{7}) + 12 x^{5} (7 x^{6}) + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.23.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 15 \cdot 7 x^{6 + 4} + 4 x^{7} (9 x^{8}) + 4 x^{7} (- 16 x^{7}) + 4 x^{7} (7 x^{6}) + 12 x^{5} (9 x^{8}) + 12 x^{5} (- 16 x^{7}) + 12 x^{5} (7 x^{6}) + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.23.3

Add $6$ and $4$ .

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 15 \cdot 7 x^{10} + 4 x^{7} (9 x^{8}) + 4 x^{7} (- 16 x^{7}) + 4 x^{7} (7 x^{6}) + 12 x^{5} (9 x^{8}) + 12 x^{5} (- 16 x^{7}) + 12 x^{5} (7 x^{6}) + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.24

Multiply $15$ by $7$ .

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 4 x^{7} (9 x^{8}) + 4 x^{7} (- 16 x^{7}) + 4 x^{7} (7 x^{6}) + 12 x^{5} (9 x^{8}) + 12 x^{5} (- 16 x^{7}) + 12 x^{5} (7 x^{6}) + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.25

Rewrite using the commutative property of multiplication.

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 4 \cdot 9 x^{7} x^{8} + 4 x^{7} (- 16 x^{7}) + 4 x^{7} (7 x^{6}) + 12 x^{5} (9 x^{8}) + 12 x^{5} (- 16 x^{7}) + 12 x^{5} (7 x^{6}) + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.26

Multiply $x^{7}$ by $x^{8}$ by adding the exponents.

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Step 10.4.15.26.1

Move $x^{8}$ .

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 4 \cdot 9 (x^{8} x^{7}) + 4 x^{7} (- 16 x^{7}) + 4 x^{7} (7 x^{6}) + 12 x^{5} (9 x^{8}) + 12 x^{5} (- 16 x^{7}) + 12 x^{5} (7 x^{6}) + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.26.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 4 \cdot 9 x^{8 + 7} + 4 x^{7} (- 16 x^{7}) + 4 x^{7} (7 x^{6}) + 12 x^{5} (9 x^{8}) + 12 x^{5} (- 16 x^{7}) + 12 x^{5} (7 x^{6}) + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.26.3

Add $8$ and $7$ .

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 4 \cdot 9 x^{15} + 4 x^{7} (- 16 x^{7}) + 4 x^{7} (7 x^{6}) + 12 x^{5} (9 x^{8}) + 12 x^{5} (- 16 x^{7}) + 12 x^{5} (7 x^{6}) + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.27

Multiply $4$ by $9$ .

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} + 4 x^{7} (- 16 x^{7}) + 4 x^{7} (7 x^{6}) + 12 x^{5} (9 x^{8}) + 12 x^{5} (- 16 x^{7}) + 12 x^{5} (7 x^{6}) + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.28

Rewrite using the commutative property of multiplication.

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} + 4 \cdot - 16 x^{7} x^{7} + 4 x^{7} (7 x^{6}) + 12 x^{5} (9 x^{8}) + 12 x^{5} (- 16 x^{7}) + 12 x^{5} (7 x^{6}) + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.29

Multiply $x^{7}$ by $x^{7}$ by adding the exponents.

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Step 10.4.15.29.1

Move $x^{7}$ .

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} + 4 \cdot - 16 (x^{7} x^{7}) + 4 x^{7} (7 x^{6}) + 12 x^{5} (9 x^{8}) + 12 x^{5} (- 16 x^{7}) + 12 x^{5} (7 x^{6}) + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.29.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} + 4 \cdot - 16 x^{7 + 7} + 4 x^{7} (7 x^{6}) + 12 x^{5} (9 x^{8}) + 12 x^{5} (- 16 x^{7}) + 12 x^{5} (7 x^{6}) + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.29.3

Add $7$ and $7$ .

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} + 4 \cdot - 16 x^{14} + 4 x^{7} (7 x^{6}) + 12 x^{5} (9 x^{8}) + 12 x^{5} (- 16 x^{7}) + 12 x^{5} (7 x^{6}) + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.30

Multiply $4$ by $- 16$ .

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 4 x^{7} (7 x^{6}) + 12 x^{5} (9 x^{8}) + 12 x^{5} (- 16 x^{7}) + 12 x^{5} (7 x^{6}) + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.31

Rewrite using the commutative property of multiplication.

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 4 \cdot 7 x^{7} x^{6} + 12 x^{5} (9 x^{8}) + 12 x^{5} (- 16 x^{7}) + 12 x^{5} (7 x^{6}) + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.32

Multiply $x^{7}$ by $x^{6}$ by adding the exponents.

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Step 10.4.15.32.1

Move $x^{6}$ .

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 4 \cdot 7 (x^{6} x^{7}) + 12 x^{5} (9 x^{8}) + 12 x^{5} (- 16 x^{7}) + 12 x^{5} (7 x^{6}) + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.32.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 4 \cdot 7 x^{6 + 7} + 12 x^{5} (9 x^{8}) + 12 x^{5} (- 16 x^{7}) + 12 x^{5} (7 x^{6}) + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.32.3

Add $6$ and $7$ .

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 4 \cdot 7 x^{13} + 12 x^{5} (9 x^{8}) + 12 x^{5} (- 16 x^{7}) + 12 x^{5} (7 x^{6}) + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.33

Multiply $4$ by $7$ .

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 28 x^{13} + 12 x^{5} (9 x^{8}) + 12 x^{5} (- 16 x^{7}) + 12 x^{5} (7 x^{6}) + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.34

Rewrite using the commutative property of multiplication.

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 28 x^{13} + 12 \cdot 9 x^{5} x^{8} + 12 x^{5} (- 16 x^{7}) + 12 x^{5} (7 x^{6}) + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.35

Multiply $x^{5}$ by $x^{8}$ by adding the exponents.

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Step 10.4.15.35.1

Move $x^{8}$ .

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 28 x^{13} + 12 \cdot 9 (x^{8} x^{5}) + 12 x^{5} (- 16 x^{7}) + 12 x^{5} (7 x^{6}) + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.35.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 28 x^{13} + 12 \cdot 9 x^{8 + 5} + 12 x^{5} (- 16 x^{7}) + 12 x^{5} (7 x^{6}) + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.35.3

Add $8$ and $5$ .

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 28 x^{13} + 12 \cdot 9 x^{13} + 12 x^{5} (- 16 x^{7}) + 12 x^{5} (7 x^{6}) + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.36

Multiply $12$ by $9$ .

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 28 x^{13} + 108 x^{13} + 12 x^{5} (- 16 x^{7}) + 12 x^{5} (7 x^{6}) + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.37

Rewrite using the commutative property of multiplication.

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 28 x^{13} + 108 x^{13} + 12 \cdot - 16 x^{5} x^{7} + 12 x^{5} (7 x^{6}) + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.38

Multiply $x^{5}$ by $x^{7}$ by adding the exponents.

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Step 10.4.15.38.1

Move $x^{7}$ .

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 28 x^{13} + 108 x^{13} + 12 \cdot - 16 (x^{7} x^{5}) + 12 x^{5} (7 x^{6}) + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.38.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 28 x^{13} + 108 x^{13} + 12 \cdot - 16 x^{7 + 5} + 12 x^{5} (7 x^{6}) + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.38.3

Add $7$ and $5$ .

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 28 x^{13} + 108 x^{13} + 12 \cdot - 16 x^{12} + 12 x^{5} (7 x^{6}) + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.39

Multiply $12$ by $- 16$ .

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 28 x^{13} + 108 x^{13} - 192 x^{12} + 12 x^{5} (7 x^{6}) + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.40

Rewrite using the commutative property of multiplication.

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 28 x^{13} + 108 x^{13} - 192 x^{12} + 12 \cdot 7 x^{5} x^{6} + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.41

Multiply $x^{5}$ by $x^{6}$ by adding the exponents.

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Step 10.4.15.41.1

Move $x^{6}$ .

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 28 x^{13} + 108 x^{13} - 192 x^{12} + 12 \cdot 7 (x^{6} x^{5}) + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.41.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 28 x^{13} + 108 x^{13} - 192 x^{12} + 12 \cdot 7 x^{6 + 5} + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.41.3

Add $6$ and $5$ .

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 28 x^{13} + 108 x^{13} - 192 x^{12} + 12 \cdot 7 x^{11} + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.42

Multiply $12$ by $7$ .

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 28 x^{13} + 108 x^{13} - 192 x^{12} + 84 x^{11} + 12 x^{3} (9 x^{8}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.43

Rewrite using the commutative property of multiplication.

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 28 x^{13} + 108 x^{13} - 192 x^{12} + 84 x^{11} + 12 \cdot 9 x^{3} x^{8} + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.44

Multiply $x^{3}$ by $x^{8}$ by adding the exponents.

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Step 10.4.15.44.1

Move $x^{8}$ .

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 28 x^{13} + 108 x^{13} - 192 x^{12} + 84 x^{11} + 12 \cdot 9 (x^{8} x^{3}) + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.44.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 28 x^{13} + 108 x^{13} - 192 x^{12} + 84 x^{11} + 12 \cdot 9 x^{8 + 3} + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.44.3

Add $8$ and $3$ .

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 28 x^{13} + 108 x^{13} - 192 x^{12} + 84 x^{11} + 12 \cdot 9 x^{11} + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.45

Multiply $12$ by $9$ .

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 28 x^{13} + 108 x^{13} - 192 x^{12} + 84 x^{11} + 108 x^{11} + 12 x^{3} (- 16 x^{7}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.46

Rewrite using the commutative property of multiplication.

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 28 x^{13} + 108 x^{13} - 192 x^{12} + 84 x^{11} + 108 x^{11} + 12 \cdot - 16 x^{3} x^{7} + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.47

Multiply $x^{3}$ by $x^{7}$ by adding the exponents.

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Step 10.4.15.47.1

Move $x^{7}$ .

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 28 x^{13} + 108 x^{13} - 192 x^{12} + 84 x^{11} + 108 x^{11} + 12 \cdot - 16 (x^{7} x^{3}) + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.47.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 28 x^{13} + 108 x^{13} - 192 x^{12} + 84 x^{11} + 108 x^{11} + 12 \cdot - 16 x^{7 + 3} + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.47.3

Add $7$ and $3$ .

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 28 x^{13} + 108 x^{13} - 192 x^{12} + 84 x^{11} + 108 x^{11} + 12 \cdot - 16 x^{10} + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.48

Multiply $12$ by $- 16$ .

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 28 x^{13} + 108 x^{13} - 192 x^{12} + 84 x^{11} + 108 x^{11} - 192 x^{10} + 12 x^{3} (7 x^{6}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.49

Rewrite using the commutative property of multiplication.

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 28 x^{13} + 108 x^{13} - 192 x^{12} + 84 x^{11} + 108 x^{11} - 192 x^{10} + 12 \cdot 7 x^{3} x^{6} + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.50

Multiply $x^{3}$ by $x^{6}$ by adding the exponents.

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Step 10.4.15.50.1

Move $x^{6}$ .

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 28 x^{13} + 108 x^{13} - 192 x^{12} + 84 x^{11} + 108 x^{11} - 192 x^{10} + 12 \cdot 7 (x^{6} x^{3}) + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.50.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 28 x^{13} + 108 x^{13} - 192 x^{12} + 84 x^{11} + 108 x^{11} - 192 x^{10} + 12 \cdot 7 x^{6 + 3} + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.50.3

Add $6$ and $3$ .

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 28 x^{13} + 108 x^{13} - 192 x^{12} + 84 x^{11} + 108 x^{11} - 192 x^{10} + 12 \cdot 7 x^{9} + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.51

Multiply $12$ by $7$ .

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 28 x^{13} + 108 x^{13} - 192 x^{12} + 84 x^{11} + 108 x^{11} - 192 x^{10} + 84 x^{9} + 4 x (9 x^{8}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.52

Rewrite using the commutative property of multiplication.

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 28 x^{13} + 108 x^{13} - 192 x^{12} + 84 x^{11} + 108 x^{11} - 192 x^{10} + 84 x^{9} + 4 \cdot 9 x \cdot x^{8} + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.53

Multiply $x$ by $x^{8}$ by adding the exponents.

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Step 10.4.15.53.1

Move $x^{8}$ .

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 28 x^{13} + 108 x^{13} - 192 x^{12} + 84 x^{11} + 108 x^{11} - 192 x^{10} + 84 x^{9} + 4 \cdot 9 (x^{8} x) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.53.2

Multiply $x^{8}$ by $x$ .

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Step 10.4.15.53.2.1

Raise $x$ to the power of $1$ .

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 28 x^{13} + 108 x^{13} - 192 x^{12} + 84 x^{11} + 108 x^{11} - 192 x^{10} + 84 x^{9} + 4 \cdot 9 (x^{8} x^{1}) + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.53.2.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 28 x^{13} + 108 x^{13} - 192 x^{12} + 84 x^{11} + 108 x^{11} - 192 x^{10} + 84 x^{9} + 4 \cdot 9 x^{8 + 1} + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.53.3

Add $8$ and $1$ .

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 28 x^{13} + 108 x^{13} - 192 x^{12} + 84 x^{11} + 108 x^{11} - 192 x^{10} + 84 x^{9} + 4 \cdot 9 x^{9} + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.54

Multiply $4$ by $9$ .

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 28 x^{13} + 108 x^{13} - 192 x^{12} + 84 x^{11} + 108 x^{11} - 192 x^{10} + 84 x^{9} + 36 x^{9} + 4 x (- 16 x^{7}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.55

Rewrite using the commutative property of multiplication.

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 28 x^{13} + 108 x^{13} - 192 x^{12} + 84 x^{11} + 108 x^{11} - 192 x^{10} + 84 x^{9} + 36 x^{9} + 4 \cdot - 16 x \cdot x^{7} + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.56

Multiply $x$ by $x^{7}$ by adding the exponents.

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Step 10.4.15.56.1

Move $x^{7}$ .

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 28 x^{13} + 108 x^{13} - 192 x^{12} + 84 x^{11} + 108 x^{11} - 192 x^{10} + 84 x^{9} + 36 x^{9} + 4 \cdot - 16 (x^{7} x) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.56.2

Multiply $x^{7}$ by $x$ .

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Step 10.4.15.56.2.1

Raise $x$ to the power of $1$ .

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 28 x^{13} + 108 x^{13} - 192 x^{12} + 84 x^{11} + 108 x^{11} - 192 x^{10} + 84 x^{9} + 36 x^{9} + 4 \cdot - 16 (x^{7} x^{1}) + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.56.2.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 28 x^{13} + 108 x^{13} - 192 x^{12} + 84 x^{11} + 108 x^{11} - 192 x^{10} + 84 x^{9} + 36 x^{9} + 4 \cdot - 16 x^{7 + 1} + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.56.3

Add $7$ and $1$ .

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 28 x^{13} + 108 x^{13} - 192 x^{12} + 84 x^{11} + 108 x^{11} - 192 x^{10} + 84 x^{9} + 36 x^{9} + 4 \cdot - 16 x^{8} + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.57

Multiply $4$ by $- 16$ .

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 28 x^{13} + 108 x^{13} - 192 x^{12} + 84 x^{11} + 108 x^{11} - 192 x^{10} + 84 x^{9} + 36 x^{9} - 64 x^{8} + 4 x (7 x^{6}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.58

Rewrite using the commutative property of multiplication.

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 28 x^{13} + 108 x^{13} - 192 x^{12} + 84 x^{11} + 108 x^{11} - 192 x^{10} + 84 x^{9} + 36 x^{9} - 64 x^{8} + 4 \cdot 7 x \cdot x^{6} + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.59

Multiply $x$ by $x^{6}$ by adding the exponents.

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Step 10.4.15.59.1

Move $x^{6}$ .

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 28 x^{13} + 108 x^{13} - 192 x^{12} + 84 x^{11} + 108 x^{11} - 192 x^{10} + 84 x^{9} + 36 x^{9} - 64 x^{8} + 4 \cdot 7 (x^{6} x) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.59.2

Multiply $x^{6}$ by $x$ .

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Step 10.4.15.59.2.1

Raise $x$ to the power of $1$ .

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 28 x^{13} + 108 x^{13} - 192 x^{12} + 84 x^{11} + 108 x^{11} - 192 x^{10} + 84 x^{9} + 36 x^{9} - 64 x^{8} + 4 \cdot 7 (x^{6} x^{1}) + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.59.2.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 28 x^{13} + 108 x^{13} - 192 x^{12} + 84 x^{11} + 108 x^{11} - 192 x^{10} + 84 x^{9} + 36 x^{9} - 64 x^{8} + 4 \cdot 7 x^{6 + 1} + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.59.3

Add $6$ and $1$ .

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 28 x^{13} + 108 x^{13} - 192 x^{12} + 84 x^{11} + 108 x^{11} - 192 x^{10} + 84 x^{9} + 36 x^{9} - 64 x^{8} + 4 \cdot 7 x^{7} + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.60

Multiply $4$ by $7$ .

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 28 x^{13} + 108 x^{13} - 192 x^{12} + 84 x^{11} + 108 x^{11} - 192 x^{10} + 84 x^{9} + 36 x^{9} - 64 x^{8} + 28 x^{7} + 13 x^{2} (9 x^{8}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.61

Rewrite using the commutative property of multiplication.

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 28 x^{13} + 108 x^{13} - 192 x^{12} + 84 x^{11} + 108 x^{11} - 192 x^{10} + 84 x^{9} + 36 x^{9} - 64 x^{8} + 28 x^{7} + 13 \cdot 9 x^{2} x^{8} + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.62

Multiply $x^{2}$ by $x^{8}$ by adding the exponents.

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Step 10.4.15.62.1

Move $x^{8}$ .

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 28 x^{13} + 108 x^{13} - 192 x^{12} + 84 x^{11} + 108 x^{11} - 192 x^{10} + 84 x^{9} + 36 x^{9} - 64 x^{8} + 28 x^{7} + 13 \cdot 9 (x^{8} x^{2}) + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.62.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 28 x^{13} + 108 x^{13} - 192 x^{12} + 84 x^{11} + 108 x^{11} - 192 x^{10} + 84 x^{9} + 36 x^{9} - 64 x^{8} + 28 x^{7} + 13 \cdot 9 x^{8 + 2} + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.62.3

Add $8$ and $2$ .

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 28 x^{13} + 108 x^{13} - 192 x^{12} + 84 x^{11} + 108 x^{11} - 192 x^{10} + 84 x^{9} + 36 x^{9} - 64 x^{8} + 28 x^{7} + 13 \cdot 9 x^{10} + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.63

Multiply $13$ by $9$ .

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 28 x^{13} + 108 x^{13} - 192 x^{12} + 84 x^{11} + 108 x^{11} - 192 x^{10} + 84 x^{9} + 36 x^{9} - 64 x^{8} + 28 x^{7} + 117 x^{10} + 13 x^{2} (- 16 x^{7}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.64

Rewrite using the commutative property of multiplication.

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 28 x^{13} + 108 x^{13} - 192 x^{12} + 84 x^{11} + 108 x^{11} - 192 x^{10} + 84 x^{9} + 36 x^{9} - 64 x^{8} + 28 x^{7} + 117 x^{10} + 13 \cdot - 16 x^{2} x^{7} + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.65

Multiply $x^{2}$ by $x^{7}$ by adding the exponents.

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Step 10.4.15.65.1

Move $x^{7}$ .

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 28 x^{13} + 108 x^{13} - 192 x^{12} + 84 x^{11} + 108 x^{11} - 192 x^{10} + 84 x^{9} + 36 x^{9} - 64 x^{8} + 28 x^{7} + 117 x^{10} + 13 \cdot - 16 (x^{7} x^{2}) + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.65.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 28 x^{13} + 108 x^{13} - 192 x^{12} + 84 x^{11} + 108 x^{11} - 192 x^{10} + 84 x^{9} + 36 x^{9} - 64 x^{8} + 28 x^{7} + 117 x^{10} + 13 \cdot - 16 x^{7 + 2} + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.65.3

Add $7$ and $2$ .

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 28 x^{13} + 108 x^{13} - 192 x^{12} + 84 x^{11} + 108 x^{11} - 192 x^{10} + 84 x^{9} + 36 x^{9} - 64 x^{8} + 28 x^{7} + 117 x^{10} + 13 \cdot - 16 x^{9} + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.66

Multiply $13$ by $- 16$ .

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 28 x^{13} + 108 x^{13} - 192 x^{12} + 84 x^{11} + 108 x^{11} - 192 x^{10} + 84 x^{9} + 36 x^{9} - 64 x^{8} + 28 x^{7} + 117 x^{10} - 208 x^{9} + 13 x^{2} (7 x^{6}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.67

Rewrite using the commutative property of multiplication.

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 28 x^{13} + 108 x^{13} - 192 x^{12} + 84 x^{11} + 108 x^{11} - 192 x^{10} + 84 x^{9} + 36 x^{9} - 64 x^{8} + 28 x^{7} + 117 x^{10} - 208 x^{9} + 13 \cdot 7 x^{2} x^{6} + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.68

Multiply $x^{2}$ by $x^{6}$ by adding the exponents.

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Step 10.4.15.68.1

Move $x^{6}$ .

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 28 x^{13} + 108 x^{13} - 192 x^{12} + 84 x^{11} + 108 x^{11} - 192 x^{10} + 84 x^{9} + 36 x^{9} - 64 x^{8} + 28 x^{7} + 117 x^{10} - 208 x^{9} + 13 \cdot 7 (x^{6} x^{2}) + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.68.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 28 x^{13} + 108 x^{13} - 192 x^{12} + 84 x^{11} + 108 x^{11} - 192 x^{10} + 84 x^{9} + 36 x^{9} - 64 x^{8} + 28 x^{7} + 117 x^{10} - 208 x^{9} + 13 \cdot 7 x^{6 + 2} + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.68.3

Add $6$ and $2$ .

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 28 x^{13} + 108 x^{13} - 192 x^{12} + 84 x^{11} + 108 x^{11} - 192 x^{10} + 84 x^{9} + 36 x^{9} - 64 x^{8} + 28 x^{7} + 117 x^{10} - 208 x^{9} + 13 \cdot 7 x^{8} + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.69

Multiply $13$ by $7$ .

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 28 x^{13} + 108 x^{13} - 192 x^{12} + 84 x^{11} + 108 x^{11} - 192 x^{10} + 84 x^{9} + 36 x^{9} - 64 x^{8} + 28 x^{7} + 117 x^{10} - 208 x^{9} + 91 x^{8} + 4 (9 x^{8}) + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.70

Multiply $9$ by $4$ .

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 28 x^{13} + 108 x^{13} - 192 x^{12} + 84 x^{11} + 108 x^{11} - 192 x^{10} + 84 x^{9} + 36 x^{9} - 64 x^{8} + 28 x^{7} + 117 x^{10} - 208 x^{9} + 91 x^{8} + 36 x^{8} + 4 (- 16 x^{7}) + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.71

Multiply $- 16$ by $4$ .

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 28 x^{13} + 108 x^{13} - 192 x^{12} + 84 x^{11} + 108 x^{11} - 192 x^{10} + 84 x^{9} + 36 x^{9} - 64 x^{8} + 28 x^{7} + 117 x^{10} - 208 x^{9} + 91 x^{8} + 36 x^{8} - 64 x^{7} + 4 (7 x^{6}) - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.15.72

Multiply $7$ by $4$ .

$\frac{9 x^{16} - 16 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 36 x^{15} - 64 x^{14} + 28 x^{13} + 108 x^{13} - 192 x^{12} + 84 x^{11} + 108 x^{11} - 192 x^{10} + 84 x^{9} + 36 x^{9} - 64 x^{8} + 28 x^{7} + 117 x^{10} - 208 x^{9} + 91 x^{8} + 36 x^{8} - 64 x^{7} + 28 x^{6} - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.16

Add $- 16 x^{15}$ and $36 x^{15}$ .

$\frac{9 x^{16} + 20 x^{15} + 7 x^{14} + 63 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} - 64 x^{14} + 28 x^{13} + 108 x^{13} - 192 x^{12} + 84 x^{11} + 108 x^{11} - 192 x^{10} + 84 x^{9} + 36 x^{9} - 64 x^{8} + 28 x^{7} + 117 x^{10} - 208 x^{9} + 91 x^{8} + 36 x^{8} - 64 x^{7} + 28 x^{6} - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.17

Add $7 x^{14}$ and $63 x^{14}$ .

$\frac{9 x^{16} + 20 x^{15} + 70 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} - 64 x^{14} + 28 x^{13} + 108 x^{13} - 192 x^{12} + 84 x^{11} + 108 x^{11} - 192 x^{10} + 84 x^{9} + 36 x^{9} - 64 x^{8} + 28 x^{7} + 117 x^{10} - 208 x^{9} + 91 x^{8} + 36 x^{8} - 64 x^{7} + 28 x^{6} - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.18

Subtract $64 x^{14}$ from $70 x^{14}$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} - 112 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 28 x^{13} + 108 x^{13} - 192 x^{12} + 84 x^{11} + 108 x^{11} - 192 x^{10} + 84 x^{9} + 36 x^{9} - 64 x^{8} + 28 x^{7} + 117 x^{10} - 208 x^{9} + 91 x^{8} + 36 x^{8} - 64 x^{7} + 28 x^{6} - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.19

Add $- 112 x^{13}$ and $28 x^{13}$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} - 84 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} + 108 x^{13} - 192 x^{12} + 84 x^{11} + 108 x^{11} - 192 x^{10} + 84 x^{9} + 36 x^{9} - 64 x^{8} + 28 x^{7} + 117 x^{10} - 208 x^{9} + 91 x^{8} + 36 x^{8} - 64 x^{7} + 28 x^{6} - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.20

Add $- 84 x^{13}$ and $108 x^{13}$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} + 49 x^{12} + 135 x^{12} - 240 x^{11} + 105 x^{10} - 192 x^{12} + 84 x^{11} + 108 x^{11} - 192 x^{10} + 84 x^{9} + 36 x^{9} - 64 x^{8} + 28 x^{7} + 117 x^{10} - 208 x^{9} + 91 x^{8} + 36 x^{8} - 64 x^{7} + 28 x^{6} - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.21

Add $49 x^{12}$ and $135 x^{12}$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} + 184 x^{12} - 240 x^{11} + 105 x^{10} - 192 x^{12} + 84 x^{11} + 108 x^{11} - 192 x^{10} + 84 x^{9} + 36 x^{9} - 64 x^{8} + 28 x^{7} + 117 x^{10} - 208 x^{9} + 91 x^{8} + 36 x^{8} - 64 x^{7} + 28 x^{6} - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.22

Subtract $192 x^{12}$ from $184 x^{12}$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 240 x^{11} + 105 x^{10} + 84 x^{11} + 108 x^{11} - 192 x^{10} + 84 x^{9} + 36 x^{9} - 64 x^{8} + 28 x^{7} + 117 x^{10} - 208 x^{9} + 91 x^{8} + 36 x^{8} - 64 x^{7} + 28 x^{6} - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.23

Add $- 240 x^{11}$ and $84 x^{11}$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 156 x^{11} + 105 x^{10} + 108 x^{11} - 192 x^{10} + 84 x^{9} + 36 x^{9} - 64 x^{8} + 28 x^{7} + 117 x^{10} - 208 x^{9} + 91 x^{8} + 36 x^{8} - 64 x^{7} + 28 x^{6} - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.24

Add $- 156 x^{11}$ and $108 x^{11}$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 105 x^{10} - 192 x^{10} + 84 x^{9} + 36 x^{9} - 64 x^{8} + 28 x^{7} + 117 x^{10} - 208 x^{9} + 91 x^{8} + 36 x^{8} - 64 x^{7} + 28 x^{6} - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.25

Subtract $192 x^{10}$ from $105 x^{10}$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} - 87 x^{10} + 84 x^{9} + 36 x^{9} - 64 x^{8} + 28 x^{7} + 117 x^{10} - 208 x^{9} + 91 x^{8} + 36 x^{8} - 64 x^{7} + 28 x^{6} - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.26

Add $- 87 x^{10}$ and $117 x^{10}$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} + 84 x^{9} + 36 x^{9} - 64 x^{8} + 28 x^{7} - 208 x^{9} + 91 x^{8} + 36 x^{8} - 64 x^{7} + 28 x^{6} - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.27

Add $84 x^{9}$ and $36 x^{9}$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} + 120 x^{9} - 64 x^{8} + 28 x^{7} - 208 x^{9} + 91 x^{8} + 36 x^{8} - 64 x^{7} + 28 x^{6} - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.28

Subtract $208 x^{9}$ from $120 x^{9}$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} - 64 x^{8} + 28 x^{7} + 91 x^{8} + 36 x^{8} - 64 x^{7} + 28 x^{6} - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.29

Add $- 64 x^{8}$ and $91 x^{8}$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 27 x^{8} + 28 x^{7} + 36 x^{8} - 64 x^{7} + 28 x^{6} - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.30

Add $27 x^{8}$ and $36 x^{8}$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} + 28 x^{7} - 64 x^{7} + 28 x^{6} - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.31

Subtract $64 x^{7}$ from $28 x^{7}$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - x^{7} {(x - 1)}^{2} (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.32

Rewrite ${(x - 1)}^{2}$ as $(x - 1) (x - 1)$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - x^{7} ((x - 1) (x - 1)) (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.33

Expand $(x - 1) (x - 1)$ using the FOIL Method.

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Step 10.4.33.1

Apply the distributive property.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - x^{7} (x (x - 1) - 1 (x - 1)) (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.33.2

Apply the distributive property.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - x^{7} (x \cdot x + x \cdot - 1 - 1 (x - 1)) (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.33.3

Apply the distributive property.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - x^{7} (x \cdot x + x \cdot - 1 - 1 x - 1 \cdot - 1) (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.34

Simplify and combine like terms.

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Step 10.4.34.1

Simplify each term.

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Step 10.4.34.1.1

Multiply $x$ by $x$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - x^{7} (x^{2} + x \cdot - 1 - 1 x - 1 \cdot - 1) (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.34.1.2

Move $- 1$ to the left of $x$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - x^{7} (x^{2} - 1 \cdot x - 1 x - 1 \cdot - 1) (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.34.1.3

Rewrite $- 1 x$ as $- x$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - x^{7} (x^{2} - x - 1 x - 1 \cdot - 1) (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.34.1.4

Rewrite $- 1 x$ as $- x$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - x^{7} (x^{2} - x - x - 1 \cdot - 1) (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.34.1.5

Multiply $- 1$ by $- 1$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - x^{7} (x^{2} - x - x + 1) (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.34.2

Subtract $x$ from $- x$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - x^{7} (x^{2} - 2 x + 1) (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.35

Apply the distributive property.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{7} x^{2} - x^{7} (- 2 x) - x^{7} \cdot 1) (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.36

Simplify.

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Step 10.4.36.1

Multiply $x^{7}$ by $x^{2}$ by adding the exponents.

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Step 10.4.36.1.1

Move $x^{2}$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- (x^{2} x^{7}) - x^{7} (- 2 x) - x^{7} \cdot 1) (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.36.1.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{2 + 7} - x^{7} (- 2 x) - x^{7} \cdot 1) (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.36.1.3

Add $2$ and $7$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} - x^{7} (- 2 x) - x^{7} \cdot 1) (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.36.2

Rewrite using the commutative property of multiplication.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} - 1 \cdot - 2 x^{7} x - x^{7} \cdot 1) (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.36.3

Multiply $- 1$ by $1$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} - 1 \cdot - 2 x^{7} x - x^{7}) (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.37

Simplify each term.

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Step 10.4.37.1

Multiply $x^{7}$ by $x$ by adding the exponents.

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Step 10.4.37.1.1

Move $x$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} - 1 \cdot - 2 (x \cdot x^{7}) - x^{7}) (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.37.1.2

Multiply $x$ by $x^{7}$ .

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Step 10.4.37.1.2.1

Raise $x$ to the power of $1$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} - 1 \cdot - 2 (x^{1} x^{7}) - x^{7}) (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.37.1.2.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} - 1 \cdot - 2 x^{1 + 7} - x^{7}) (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.37.1.3

Add $1$ and $7$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} - 1 \cdot - 2 x^{8} - x^{7}) (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.37.2

Multiply $- 1$ by $- 2$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) (6 {(x + 2)}^{2} {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38

Simplify each term.

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Step 10.4.38.1

Rewrite ${(x + 2)}^{2}$ as $(x + 2) (x + 2)$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) (6 ((x + 2) (x + 2)) {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.2

Expand $(x + 2) (x + 2)$ using the FOIL Method.

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Step 10.4.38.2.1

Apply the distributive property.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) (6 (x (x + 2) + 2 (x + 2)) {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.2.2

Apply the distributive property.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) (6 (x \cdot x + x \cdot 2 + 2 (x + 2)) {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.2.3

Apply the distributive property.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) (6 (x \cdot x + x \cdot 2 + 2 x + 2 \cdot 2) {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.3

Simplify and combine like terms.

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Step 10.4.38.3.1

Simplify each term.

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Step 10.4.38.3.1.1

Multiply $x$ by $x$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) (6 (x^{2} + x \cdot 2 + 2 x + 2 \cdot 2) {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.3.1.2

Move $2$ to the left of $x$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) (6 (x^{2} + 2 \cdot x + 2 x + 2 \cdot 2) {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.3.1.3

Multiply $2$ by $2$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) (6 (x^{2} + 2 x + 2 x + 4) {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.3.2

Add $2 x$ and $2 x$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) (6 (x^{2} + 4 x + 4) {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.4

Apply the distributive property.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) ((6 x^{2} + 6 (4 x) + 6 \cdot 4) {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.5

Simplify.

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Step 10.4.38.5.1

Multiply $4$ by $6$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) ((6 x^{2} + 24 x + 6 \cdot 4) {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.5.2

Multiply $6$ by $4$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) ((6 x^{2} + 24 x + 24) {(x^{2} + 1)}^{2} x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.6

Rewrite ${(x^{2} + 1)}^{2}$ as $(x^{2} + 1) (x^{2} + 1)$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) ((6 x^{2} + 24 x + 24) ((x^{2} + 1) (x^{2} + 1)) x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.7

Expand $(x^{2} + 1) (x^{2} + 1)$ using the FOIL Method.

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Step 10.4.38.7.1

Apply the distributive property.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) ((6 x^{2} + 24 x + 24) (x^{2} (x^{2} + 1) + 1 (x^{2} + 1)) x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.7.2

Apply the distributive property.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) ((6 x^{2} + 24 x + 24) (x^{2} x^{2} + x^{2} \cdot 1 + 1 (x^{2} + 1)) x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.7.3

Apply the distributive property.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) ((6 x^{2} + 24 x + 24) (x^{2} x^{2} + x^{2} \cdot 1 + 1 x^{2} + 1 \cdot 1) x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.8

Simplify and combine like terms.

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Step 10.4.38.8.1

Simplify each term.

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Step 10.4.38.8.1.1

Multiply $x^{2}$ by $x^{2}$ by adding the exponents.

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Step 10.4.38.8.1.1.1

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) ((6 x^{2} + 24 x + 24) (x^{2 + 2} + x^{2} \cdot 1 + 1 x^{2} + 1 \cdot 1) x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.8.1.1.2

Add $2$ and $2$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) ((6 x^{2} + 24 x + 24) (x^{4} + x^{2} \cdot 1 + 1 x^{2} + 1 \cdot 1) x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.8.1.2

Multiply $x^{2}$ by $1$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) ((6 x^{2} + 24 x + 24) (x^{4} + x^{2} + 1 x^{2} + 1 \cdot 1) x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.8.1.3

Multiply $x^{2}$ by $1$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) ((6 x^{2} + 24 x + 24) (x^{4} + x^{2} + x^{2} + 1 \cdot 1) x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.8.1.4

Multiply $1$ by $1$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) ((6 x^{2} + 24 x + 24) (x^{4} + x^{2} + x^{2} + 1) x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.8.2

Add $x^{2}$ and $x^{2}$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) ((6 x^{2} + 24 x + 24) (x^{4} + 2 x^{2} + 1) x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.9

Expand $(6 x^{2} + 24 x + 24) (x^{4} + 2 x^{2} + 1)$ by multiplying each term in the first expression by each term in the second expression.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) ((6 x^{2} x^{4} + 6 x^{2} (2 x^{2}) + 6 x^{2} \cdot 1 + 24 x \cdot x^{4} + 24 x (2 x^{2}) + 24 x \cdot 1 + 24 x^{4} + 24 (2 x^{2}) + 24 \cdot 1) x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.10

Simplify each term.

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Step 10.4.38.10.1

Multiply $x^{2}$ by $x^{4}$ by adding the exponents.

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Step 10.4.38.10.1.1

Move $x^{4}$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) ((6 (x^{4} x^{2}) + 6 x^{2} (2 x^{2}) + 6 x^{2} \cdot 1 + 24 x \cdot x^{4} + 24 x (2 x^{2}) + 24 x \cdot 1 + 24 x^{4} + 24 (2 x^{2}) + 24 \cdot 1) x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.10.1.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) ((6 x^{4 + 2} + 6 x^{2} (2 x^{2}) + 6 x^{2} \cdot 1 + 24 x \cdot x^{4} + 24 x (2 x^{2}) + 24 x \cdot 1 + 24 x^{4} + 24 (2 x^{2}) + 24 \cdot 1) x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.10.1.3

Add $4$ and $2$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) ((6 x^{6} + 6 x^{2} (2 x^{2}) + 6 x^{2} \cdot 1 + 24 x \cdot x^{4} + 24 x (2 x^{2}) + 24 x \cdot 1 + 24 x^{4} + 24 (2 x^{2}) + 24 \cdot 1) x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.10.2

Rewrite using the commutative property of multiplication.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) ((6 x^{6} + 6 \cdot 2 x^{2} x^{2} + 6 x^{2} \cdot 1 + 24 x \cdot x^{4} + 24 x (2 x^{2}) + 24 x \cdot 1 + 24 x^{4} + 24 (2 x^{2}) + 24 \cdot 1) x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.10.3

Multiply $x^{2}$ by $x^{2}$ by adding the exponents.

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Step 10.4.38.10.3.1

Move $x^{2}$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) ((6 x^{6} + 6 \cdot 2 (x^{2} x^{2}) + 6 x^{2} \cdot 1 + 24 x \cdot x^{4} + 24 x (2 x^{2}) + 24 x \cdot 1 + 24 x^{4} + 24 (2 x^{2}) + 24 \cdot 1) x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.10.3.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) ((6 x^{6} + 6 \cdot 2 x^{2 + 2} + 6 x^{2} \cdot 1 + 24 x \cdot x^{4} + 24 x (2 x^{2}) + 24 x \cdot 1 + 24 x^{4} + 24 (2 x^{2}) + 24 \cdot 1) x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.10.3.3

Add $2$ and $2$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) ((6 x^{6} + 6 \cdot 2 x^{4} + 6 x^{2} \cdot 1 + 24 x \cdot x^{4} + 24 x (2 x^{2}) + 24 x \cdot 1 + 24 x^{4} + 24 (2 x^{2}) + 24 \cdot 1) x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.10.4

Multiply $6$ by $2$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) ((6 x^{6} + 12 x^{4} + 6 x^{2} \cdot 1 + 24 x \cdot x^{4} + 24 x (2 x^{2}) + 24 x \cdot 1 + 24 x^{4} + 24 (2 x^{2}) + 24 \cdot 1) x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.10.5

Multiply $6$ by $1$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) ((6 x^{6} + 12 x^{4} + 6 x^{2} + 24 x \cdot x^{4} + 24 x (2 x^{2}) + 24 x \cdot 1 + 24 x^{4} + 24 (2 x^{2}) + 24 \cdot 1) x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.10.6

Multiply $x$ by $x^{4}$ by adding the exponents.

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Step 10.4.38.10.6.1

Move $x^{4}$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) ((6 x^{6} + 12 x^{4} + 6 x^{2} + 24 (x^{4} x) + 24 x (2 x^{2}) + 24 x \cdot 1 + 24 x^{4} + 24 (2 x^{2}) + 24 \cdot 1) x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.10.6.2

Multiply $x^{4}$ by $x$ .

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Step 10.4.38.10.6.2.1

Raise $x$ to the power of $1$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) ((6 x^{6} + 12 x^{4} + 6 x^{2} + 24 (x^{4} x^{1}) + 24 x (2 x^{2}) + 24 x \cdot 1 + 24 x^{4} + 24 (2 x^{2}) + 24 \cdot 1) x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.10.6.2.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) ((6 x^{6} + 12 x^{4} + 6 x^{2} + 24 x^{4 + 1} + 24 x (2 x^{2}) + 24 x \cdot 1 + 24 x^{4} + 24 (2 x^{2}) + 24 \cdot 1) x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.10.6.3

Add $4$ and $1$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) ((6 x^{6} + 12 x^{4} + 6 x^{2} + 24 x^{5} + 24 x (2 x^{2}) + 24 x \cdot 1 + 24 x^{4} + 24 (2 x^{2}) + 24 \cdot 1) x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.10.7

Rewrite using the commutative property of multiplication.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) ((6 x^{6} + 12 x^{4} + 6 x^{2} + 24 x^{5} + 24 \cdot 2 x \cdot x^{2} + 24 x \cdot 1 + 24 x^{4} + 24 (2 x^{2}) + 24 \cdot 1) x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.10.8

Multiply $x$ by $x^{2}$ by adding the exponents.

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Step 10.4.38.10.8.1

Move $x^{2}$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) ((6 x^{6} + 12 x^{4} + 6 x^{2} + 24 x^{5} + 24 \cdot 2 (x^{2} x) + 24 x \cdot 1 + 24 x^{4} + 24 (2 x^{2}) + 24 \cdot 1) x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.10.8.2

Multiply $x^{2}$ by $x$ .

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Step 10.4.38.10.8.2.1

Raise $x$ to the power of $1$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) ((6 x^{6} + 12 x^{4} + 6 x^{2} + 24 x^{5} + 24 \cdot 2 (x^{2} x^{1}) + 24 x \cdot 1 + 24 x^{4} + 24 (2 x^{2}) + 24 \cdot 1) x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.10.8.2.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) ((6 x^{6} + 12 x^{4} + 6 x^{2} + 24 x^{5} + 24 \cdot 2 x^{2 + 1} + 24 x \cdot 1 + 24 x^{4} + 24 (2 x^{2}) + 24 \cdot 1) x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.10.8.3

Add $2$ and $1$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) ((6 x^{6} + 12 x^{4} + 6 x^{2} + 24 x^{5} + 24 \cdot 2 x^{3} + 24 x \cdot 1 + 24 x^{4} + 24 (2 x^{2}) + 24 \cdot 1) x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.10.9

Multiply $24$ by $2$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) ((6 x^{6} + 12 x^{4} + 6 x^{2} + 24 x^{5} + 48 x^{3} + 24 x \cdot 1 + 24 x^{4} + 24 (2 x^{2}) + 24 \cdot 1) x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.10.10

Multiply $24$ by $1$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) ((6 x^{6} + 12 x^{4} + 6 x^{2} + 24 x^{5} + 48 x^{3} + 24 x + 24 x^{4} + 24 (2 x^{2}) + 24 \cdot 1) x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.10.11

Multiply $2$ by $24$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) ((6 x^{6} + 12 x^{4} + 6 x^{2} + 24 x^{5} + 48 x^{3} + 24 x + 24 x^{4} + 48 x^{2} + 24 \cdot 1) x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.10.12

Multiply $24$ by $1$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) ((6 x^{6} + 12 x^{4} + 6 x^{2} + 24 x^{5} + 48 x^{3} + 24 x + 24 x^{4} + 48 x^{2} + 24) x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.11

Add $12 x^{4}$ and $24 x^{4}$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) ((6 x^{6} + 36 x^{4} + 6 x^{2} + 24 x^{5} + 48 x^{3} + 24 x + 48 x^{2} + 24) x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.12

Add $6 x^{2}$ and $48 x^{2}$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) ((6 x^{6} + 36 x^{4} + 24 x^{5} + 48 x^{3} + 24 x + 54 x^{2} + 24) x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.13

Apply the distributive property.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) (6 x^{6} x + 36 x^{4} x + 24 x^{5} x + 48 x^{3} x + 24 x \cdot x + 54 x^{2} x + 24 x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.14

Simplify.

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Step 10.4.38.14.1

Multiply $x^{6}$ by $x$ by adding the exponents.

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Step 10.4.38.14.1.1

Move $x$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) (6 (x \cdot x^{6}) + 36 x^{4} x + 24 x^{5} x + 48 x^{3} x + 24 x \cdot x + 54 x^{2} x + 24 x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.14.1.2

Multiply $x$ by $x^{6}$ .

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Step 10.4.38.14.1.2.1

Raise $x$ to the power of $1$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) (6 (x^{1} x^{6}) + 36 x^{4} x + 24 x^{5} x + 48 x^{3} x + 24 x \cdot x + 54 x^{2} x + 24 x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.14.1.2.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) (6 x^{1 + 6} + 36 x^{4} x + 24 x^{5} x + 48 x^{3} x + 24 x \cdot x + 54 x^{2} x + 24 x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.14.1.3

Add $1$ and $6$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) (6 x^{7} + 36 x^{4} x + 24 x^{5} x + 48 x^{3} x + 24 x \cdot x + 54 x^{2} x + 24 x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.14.2

Multiply $x^{4}$ by $x$ by adding the exponents.

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Step 10.4.38.14.2.1

Move $x$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) (6 x^{7} + 36 (x \cdot x^{4}) + 24 x^{5} x + 48 x^{3} x + 24 x \cdot x + 54 x^{2} x + 24 x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.14.2.2

Multiply $x$ by $x^{4}$ .

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Step 10.4.38.14.2.2.1

Raise $x$ to the power of $1$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) (6 x^{7} + 36 (x^{1} x^{4}) + 24 x^{5} x + 48 x^{3} x + 24 x \cdot x + 54 x^{2} x + 24 x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.14.2.2.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) (6 x^{7} + 36 x^{1 + 4} + 24 x^{5} x + 48 x^{3} x + 24 x \cdot x + 54 x^{2} x + 24 x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.14.2.3

Add $1$ and $4$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) (6 x^{7} + 36 x^{5} + 24 x^{5} x + 48 x^{3} x + 24 x \cdot x + 54 x^{2} x + 24 x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.14.3

Multiply $x^{5}$ by $x$ by adding the exponents.

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Step 10.4.38.14.3.1

Move $x$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) (6 x^{7} + 36 x^{5} + 24 (x \cdot x^{5}) + 48 x^{3} x + 24 x \cdot x + 54 x^{2} x + 24 x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.14.3.2

Multiply $x$ by $x^{5}$ .

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Step 10.4.38.14.3.2.1

Raise $x$ to the power of $1$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) (6 x^{7} + 36 x^{5} + 24 (x^{1} x^{5}) + 48 x^{3} x + 24 x \cdot x + 54 x^{2} x + 24 x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.14.3.2.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) (6 x^{7} + 36 x^{5} + 24 x^{1 + 5} + 48 x^{3} x + 24 x \cdot x + 54 x^{2} x + 24 x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.14.3.3

Add $1$ and $5$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) (6 x^{7} + 36 x^{5} + 24 x^{6} + 48 x^{3} x + 24 x \cdot x + 54 x^{2} x + 24 x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.14.4

Multiply $x^{3}$ by $x$ by adding the exponents.

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Step 10.4.38.14.4.1

Move $x$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) (6 x^{7} + 36 x^{5} + 24 x^{6} + 48 (x \cdot x^{3}) + 24 x \cdot x + 54 x^{2} x + 24 x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.14.4.2

Multiply $x$ by $x^{3}$ .

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Step 10.4.38.14.4.2.1

Raise $x$ to the power of $1$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) (6 x^{7} + 36 x^{5} + 24 x^{6} + 48 (x^{1} x^{3}) + 24 x \cdot x + 54 x^{2} x + 24 x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.14.4.2.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) (6 x^{7} + 36 x^{5} + 24 x^{6} + 48 x^{1 + 3} + 24 x \cdot x + 54 x^{2} x + 24 x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.14.4.3

Add $1$ and $3$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) (6 x^{7} + 36 x^{5} + 24 x^{6} + 48 x^{4} + 24 x \cdot x + 54 x^{2} x + 24 x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.14.5

Multiply $x$ by $x$ by adding the exponents.

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Step 10.4.38.14.5.1

Move $x$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) (6 x^{7} + 36 x^{5} + 24 x^{6} + 48 x^{4} + 24 (x \cdot x) + 54 x^{2} x + 24 x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.14.5.2

Multiply $x$ by $x$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) (6 x^{7} + 36 x^{5} + 24 x^{6} + 48 x^{4} + 24 x^{2} + 54 x^{2} x + 24 x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.14.6

Multiply $x^{2}$ by $x$ by adding the exponents.

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Step 10.4.38.14.6.1

Move $x$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) (6 x^{7} + 36 x^{5} + 24 x^{6} + 48 x^{4} + 24 x^{2} + 54 (x \cdot x^{2}) + 24 x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.14.6.2

Multiply $x$ by $x^{2}$ .

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Step 10.4.38.14.6.2.1

Raise $x$ to the power of $1$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) (6 x^{7} + 36 x^{5} + 24 x^{6} + 48 x^{4} + 24 x^{2} + 54 (x^{1} x^{2}) + 24 x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.14.6.2.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) (6 x^{7} + 36 x^{5} + 24 x^{6} + 48 x^{4} + 24 x^{2} + 54 x^{1 + 2} + 24 x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.14.6.3

Add $1$ and $2$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) (6 x^{7} + 36 x^{5} + 24 x^{6} + 48 x^{4} + 24 x^{2} + 54 x^{3} + 24 x + 2 {(x^{2} + 1)}^{3} (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.15

Use the Binomial Theorem.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) (6 x^{7} + 36 x^{5} + 24 x^{6} + 48 x^{4} + 24 x^{2} + 54 x^{3} + 24 x + 2 ({(x^{2})}^{3} + 3 {(x^{2})}^{2} \cdot 1 + 3 x^{2} \cdot 1^{2} + 1^{3}) (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.16

Simplify each term.

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Step 10.4.38.16.1

Multiply the exponents in ${(x^{2})}^{3}$ .

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Step 10.4.38.16.1.1

Apply the power rule and multiply exponents, ${(a^{m})}^{n} = a^{m n}$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) (6 x^{7} + 36 x^{5} + 24 x^{6} + 48 x^{4} + 24 x^{2} + 54 x^{3} + 24 x + 2 (x^{2 \cdot 3} + 3 {(x^{2})}^{2} \cdot 1 + 3 x^{2} \cdot 1^{2} + 1^{3}) (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.16.1.2

Multiply $2$ by $3$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) (6 x^{7} + 36 x^{5} + 24 x^{6} + 48 x^{4} + 24 x^{2} + 54 x^{3} + 24 x + 2 (x^{6} + 3 {(x^{2})}^{2} \cdot 1 + 3 x^{2} \cdot 1^{2} + 1^{3}) (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.16.2

Multiply the exponents in ${(x^{2})}^{2}$ .

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Step 10.4.38.16.2.1

Apply the power rule and multiply exponents, ${(a^{m})}^{n} = a^{m n}$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) (6 x^{7} + 36 x^{5} + 24 x^{6} + 48 x^{4} + 24 x^{2} + 54 x^{3} + 24 x + 2 (x^{6} + 3 x^{2 \cdot 2} \cdot 1 + 3 x^{2} \cdot 1^{2} + 1^{3}) (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.16.2.2

Multiply $2$ by $2$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) (6 x^{7} + 36 x^{5} + 24 x^{6} + 48 x^{4} + 24 x^{2} + 54 x^{3} + 24 x + 2 (x^{6} + 3 x^{4} \cdot 1 + 3 x^{2} \cdot 1^{2} + 1^{3}) (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.16.3

Multiply $3$ by $1$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) (6 x^{7} + 36 x^{5} + 24 x^{6} + 48 x^{4} + 24 x^{2} + 54 x^{3} + 24 x + 2 (x^{6} + 3 x^{4} + 3 x^{2} \cdot 1^{2} + 1^{3}) (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.16.4

One to any power is one.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) (6 x^{7} + 36 x^{5} + 24 x^{6} + 48 x^{4} + 24 x^{2} + 54 x^{3} + 24 x + 2 (x^{6} + 3 x^{4} + 3 x^{2} \cdot 1 + 1^{3}) (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.16.5

Multiply $3$ by $1$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) (6 x^{7} + 36 x^{5} + 24 x^{6} + 48 x^{4} + 24 x^{2} + 54 x^{3} + 24 x + 2 (x^{6} + 3 x^{4} + 3 x^{2} + 1^{3}) (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.16.6

One to any power is one.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) (6 x^{7} + 36 x^{5} + 24 x^{6} + 48 x^{4} + 24 x^{2} + 54 x^{3} + 24 x + 2 (x^{6} + 3 x^{4} + 3 x^{2} + 1) (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.17

Apply the distributive property.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) (6 x^{7} + 36 x^{5} + 24 x^{6} + 48 x^{4} + 24 x^{2} + 54 x^{3} + 24 x + (2 x^{6} + 2 (3 x^{4}) + 2 (3 x^{2}) + 2 \cdot 1) (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.18

Simplify.

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Step 10.4.38.18.1

Multiply $3$ by $2$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) (6 x^{7} + 36 x^{5} + 24 x^{6} + 48 x^{4} + 24 x^{2} + 54 x^{3} + 24 x + (2 x^{6} + 6 x^{4} + 2 (3 x^{2}) + 2 \cdot 1) (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.18.2

Multiply $3$ by $2$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) (6 x^{7} + 36 x^{5} + 24 x^{6} + 48 x^{4} + 24 x^{2} + 54 x^{3} + 24 x + (2 x^{6} + 6 x^{4} + 6 x^{2} + 2 \cdot 1) (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.18.3

Multiply $2$ by $1$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) (6 x^{7} + 36 x^{5} + 24 x^{6} + 48 x^{4} + 24 x^{2} + 54 x^{3} + 24 x + (2 x^{6} + 6 x^{4} + 6 x^{2} + 2) (x + 2))}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.19

Expand $(2 x^{6} + 6 x^{4} + 6 x^{2} + 2) (x + 2)$ by multiplying each term in the first expression by each term in the second expression.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) (6 x^{7} + 36 x^{5} + 24 x^{6} + 48 x^{4} + 24 x^{2} + 54 x^{3} + 24 x + 2 x^{6} x + 2 x^{6} \cdot 2 + 6 x^{4} x + 6 x^{4} \cdot 2 + 6 x^{2} x + 6 x^{2} \cdot 2 + 2 x + 2 \cdot 2)}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.20

Simplify each term.

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Step 10.4.38.20.1

Multiply $x^{6}$ by $x$ by adding the exponents.

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Step 10.4.38.20.1.1

Move $x$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) (6 x^{7} + 36 x^{5} + 24 x^{6} + 48 x^{4} + 24 x^{2} + 54 x^{3} + 24 x + 2 (x \cdot x^{6}) + 2 x^{6} \cdot 2 + 6 x^{4} x + 6 x^{4} \cdot 2 + 6 x^{2} x + 6 x^{2} \cdot 2 + 2 x + 2 \cdot 2)}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.20.1.2

Multiply $x$ by $x^{6}$ .

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Step 10.4.38.20.1.2.1

Raise $x$ to the power of $1$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) (6 x^{7} + 36 x^{5} + 24 x^{6} + 48 x^{4} + 24 x^{2} + 54 x^{3} + 24 x + 2 (x^{1} x^{6}) + 2 x^{6} \cdot 2 + 6 x^{4} x + 6 x^{4} \cdot 2 + 6 x^{2} x + 6 x^{2} \cdot 2 + 2 x + 2 \cdot 2)}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.20.1.2.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) (6 x^{7} + 36 x^{5} + 24 x^{6} + 48 x^{4} + 24 x^{2} + 54 x^{3} + 24 x + 2 x^{1 + 6} + 2 x^{6} \cdot 2 + 6 x^{4} x + 6 x^{4} \cdot 2 + 6 x^{2} x + 6 x^{2} \cdot 2 + 2 x + 2 \cdot 2)}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.20.1.3

Add $1$ and $6$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) (6 x^{7} + 36 x^{5} + 24 x^{6} + 48 x^{4} + 24 x^{2} + 54 x^{3} + 24 x + 2 x^{7} + 2 x^{6} \cdot 2 + 6 x^{4} x + 6 x^{4} \cdot 2 + 6 x^{2} x + 6 x^{2} \cdot 2 + 2 x + 2 \cdot 2)}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.20.2

Multiply $2$ by $2$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) (6 x^{7} + 36 x^{5} + 24 x^{6} + 48 x^{4} + 24 x^{2} + 54 x^{3} + 24 x + 2 x^{7} + 4 x^{6} + 6 x^{4} x + 6 x^{4} \cdot 2 + 6 x^{2} x + 6 x^{2} \cdot 2 + 2 x + 2 \cdot 2)}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.20.3

Multiply $x^{4}$ by $x$ by adding the exponents.

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Step 10.4.38.20.3.1

Move $x$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) (6 x^{7} + 36 x^{5} + 24 x^{6} + 48 x^{4} + 24 x^{2} + 54 x^{3} + 24 x + 2 x^{7} + 4 x^{6} + 6 (x \cdot x^{4}) + 6 x^{4} \cdot 2 + 6 x^{2} x + 6 x^{2} \cdot 2 + 2 x + 2 \cdot 2)}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.20.3.2

Multiply $x$ by $x^{4}$ .

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Step 10.4.38.20.3.2.1

Raise $x$ to the power of $1$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) (6 x^{7} + 36 x^{5} + 24 x^{6} + 48 x^{4} + 24 x^{2} + 54 x^{3} + 24 x + 2 x^{7} + 4 x^{6} + 6 (x^{1} x^{4}) + 6 x^{4} \cdot 2 + 6 x^{2} x + 6 x^{2} \cdot 2 + 2 x + 2 \cdot 2)}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.20.3.2.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) (6 x^{7} + 36 x^{5} + 24 x^{6} + 48 x^{4} + 24 x^{2} + 54 x^{3} + 24 x + 2 x^{7} + 4 x^{6} + 6 x^{1 + 4} + 6 x^{4} \cdot 2 + 6 x^{2} x + 6 x^{2} \cdot 2 + 2 x + 2 \cdot 2)}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.20.3.3

Add $1$ and $4$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) (6 x^{7} + 36 x^{5} + 24 x^{6} + 48 x^{4} + 24 x^{2} + 54 x^{3} + 24 x + 2 x^{7} + 4 x^{6} + 6 x^{5} + 6 x^{4} \cdot 2 + 6 x^{2} x + 6 x^{2} \cdot 2 + 2 x + 2 \cdot 2)}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.20.4

Multiply $2$ by $6$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) (6 x^{7} + 36 x^{5} + 24 x^{6} + 48 x^{4} + 24 x^{2} + 54 x^{3} + 24 x + 2 x^{7} + 4 x^{6} + 6 x^{5} + 12 x^{4} + 6 x^{2} x + 6 x^{2} \cdot 2 + 2 x + 2 \cdot 2)}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.20.5

Multiply $x^{2}$ by $x$ by adding the exponents.

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Step 10.4.38.20.5.1

Move $x$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) (6 x^{7} + 36 x^{5} + 24 x^{6} + 48 x^{4} + 24 x^{2} + 54 x^{3} + 24 x + 2 x^{7} + 4 x^{6} + 6 x^{5} + 12 x^{4} + 6 (x \cdot x^{2}) + 6 x^{2} \cdot 2 + 2 x + 2 \cdot 2)}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.20.5.2

Multiply $x$ by $x^{2}$ .

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Step 10.4.38.20.5.2.1

Raise $x$ to the power of $1$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) (6 x^{7} + 36 x^{5} + 24 x^{6} + 48 x^{4} + 24 x^{2} + 54 x^{3} + 24 x + 2 x^{7} + 4 x^{6} + 6 x^{5} + 12 x^{4} + 6 (x^{1} x^{2}) + 6 x^{2} \cdot 2 + 2 x + 2 \cdot 2)}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.20.5.2.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) (6 x^{7} + 36 x^{5} + 24 x^{6} + 48 x^{4} + 24 x^{2} + 54 x^{3} + 24 x + 2 x^{7} + 4 x^{6} + 6 x^{5} + 12 x^{4} + 6 x^{1 + 2} + 6 x^{2} \cdot 2 + 2 x + 2 \cdot 2)}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.20.5.3

Add $1$ and $2$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) (6 x^{7} + 36 x^{5} + 24 x^{6} + 48 x^{4} + 24 x^{2} + 54 x^{3} + 24 x + 2 x^{7} + 4 x^{6} + 6 x^{5} + 12 x^{4} + 6 x^{3} + 6 x^{2} \cdot 2 + 2 x + 2 \cdot 2)}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.20.6

Multiply $2$ by $6$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) (6 x^{7} + 36 x^{5} + 24 x^{6} + 48 x^{4} + 24 x^{2} + 54 x^{3} + 24 x + 2 x^{7} + 4 x^{6} + 6 x^{5} + 12 x^{4} + 6 x^{3} + 12 x^{2} + 2 x + 2 \cdot 2)}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.38.20.7

Multiply $2$ by $2$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) (6 x^{7} + 36 x^{5} + 24 x^{6} + 48 x^{4} + 24 x^{2} + 54 x^{3} + 24 x + 2 x^{7} + 4 x^{6} + 6 x^{5} + 12 x^{4} + 6 x^{3} + 12 x^{2} + 2 x + 4)}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.39

Add $6 x^{7}$ and $2 x^{7}$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) (8 x^{7} + 36 x^{5} + 24 x^{6} + 48 x^{4} + 24 x^{2} + 54 x^{3} + 24 x + 4 x^{6} + 6 x^{5} + 12 x^{4} + 6 x^{3} + 12 x^{2} + 2 x + 4)}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.40

Add $36 x^{5}$ and $6 x^{5}$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) (8 x^{7} + 42 x^{5} + 24 x^{6} + 48 x^{4} + 24 x^{2} + 54 x^{3} + 24 x + 4 x^{6} + 12 x^{4} + 6 x^{3} + 12 x^{2} + 2 x + 4)}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.41

Add $24 x^{6}$ and $4 x^{6}$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) (8 x^{7} + 42 x^{5} + 28 x^{6} + 48 x^{4} + 24 x^{2} + 54 x^{3} + 24 x + 12 x^{4} + 6 x^{3} + 12 x^{2} + 2 x + 4)}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.42

Add $48 x^{4}$ and $12 x^{4}$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) (8 x^{7} + 42 x^{5} + 28 x^{6} + 60 x^{4} + 24 x^{2} + 54 x^{3} + 24 x + 6 x^{3} + 12 x^{2} + 2 x + 4)}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.43

Add $24 x^{2}$ and $12 x^{2}$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) (8 x^{7} + 42 x^{5} + 28 x^{6} + 60 x^{4} + 54 x^{3} + 24 x + 6 x^{3} + 36 x^{2} + 2 x + 4)}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.44

Add $54 x^{3}$ and $6 x^{3}$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) (8 x^{7} + 42 x^{5} + 28 x^{6} + 60 x^{4} + 60 x^{3} + 24 x + 36 x^{2} + 2 x + 4)}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.45

Add $24 x$ and $2 x$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + (- x^{9} + 2 x^{8} - x^{7}) (8 x^{7} + 42 x^{5} + 28 x^{6} + 60 x^{4} + 60 x^{3} + 36 x^{2} + 26 x + 4)}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.46

Expand $(- x^{9} + 2 x^{8} - x^{7}) (8 x^{7} + 42 x^{5} + 28 x^{6} + 60 x^{4} + 60 x^{3} + 36 x^{2} + 26 x + 4)$ by multiplying each term in the first expression by each term in the second expression.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - x^{9} (8 x^{7}) - x^{9} (42 x^{5}) - x^{9} (28 x^{6}) - x^{9} (60 x^{4}) - x^{9} (60 x^{3}) - x^{9} (36 x^{2}) - x^{9} (26 x) - x^{9} \cdot 4 + 2 x^{8} (8 x^{7}) + 2 x^{8} (42 x^{5}) + 2 x^{8} (28 x^{6}) + 2 x^{8} (60 x^{4}) + 2 x^{8} (60 x^{3}) + 2 x^{8} (36 x^{2}) + 2 x^{8} (26 x) + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47

Simplify each term.

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Step 10.4.47.1

Rewrite using the commutative property of multiplication.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 1 \cdot 8 x^{9} x^{7} - x^{9} (42 x^{5}) - x^{9} (28 x^{6}) - x^{9} (60 x^{4}) - x^{9} (60 x^{3}) - x^{9} (36 x^{2}) - x^{9} (26 x) - x^{9} \cdot 4 + 2 x^{8} (8 x^{7}) + 2 x^{8} (42 x^{5}) + 2 x^{8} (28 x^{6}) + 2 x^{8} (60 x^{4}) + 2 x^{8} (60 x^{3}) + 2 x^{8} (36 x^{2}) + 2 x^{8} (26 x) + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.2

Multiply $x^{9}$ by $x^{7}$ by adding the exponents.

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Step 10.4.47.2.1

Move $x^{7}$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 1 \cdot 8 (x^{7} x^{9}) - x^{9} (42 x^{5}) - x^{9} (28 x^{6}) - x^{9} (60 x^{4}) - x^{9} (60 x^{3}) - x^{9} (36 x^{2}) - x^{9} (26 x) - x^{9} \cdot 4 + 2 x^{8} (8 x^{7}) + 2 x^{8} (42 x^{5}) + 2 x^{8} (28 x^{6}) + 2 x^{8} (60 x^{4}) + 2 x^{8} (60 x^{3}) + 2 x^{8} (36 x^{2}) + 2 x^{8} (26 x) + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.2.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 1 \cdot 8 x^{7 + 9} - x^{9} (42 x^{5}) - x^{9} (28 x^{6}) - x^{9} (60 x^{4}) - x^{9} (60 x^{3}) - x^{9} (36 x^{2}) - x^{9} (26 x) - x^{9} \cdot 4 + 2 x^{8} (8 x^{7}) + 2 x^{8} (42 x^{5}) + 2 x^{8} (28 x^{6}) + 2 x^{8} (60 x^{4}) + 2 x^{8} (60 x^{3}) + 2 x^{8} (36 x^{2}) + 2 x^{8} (26 x) + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.2.3

Add $7$ and $9$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 1 \cdot 8 x^{16} - x^{9} (42 x^{5}) - x^{9} (28 x^{6}) - x^{9} (60 x^{4}) - x^{9} (60 x^{3}) - x^{9} (36 x^{2}) - x^{9} (26 x) - x^{9} \cdot 4 + 2 x^{8} (8 x^{7}) + 2 x^{8} (42 x^{5}) + 2 x^{8} (28 x^{6}) + 2 x^{8} (60 x^{4}) + 2 x^{8} (60 x^{3}) + 2 x^{8} (36 x^{2}) + 2 x^{8} (26 x) + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.3

Multiply $- 1$ by $8$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - x^{9} (42 x^{5}) - x^{9} (28 x^{6}) - x^{9} (60 x^{4}) - x^{9} (60 x^{3}) - x^{9} (36 x^{2}) - x^{9} (26 x) - x^{9} \cdot 4 + 2 x^{8} (8 x^{7}) + 2 x^{8} (42 x^{5}) + 2 x^{8} (28 x^{6}) + 2 x^{8} (60 x^{4}) + 2 x^{8} (60 x^{3}) + 2 x^{8} (36 x^{2}) + 2 x^{8} (26 x) + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.4

Rewrite using the commutative property of multiplication.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 1 \cdot 42 x^{9} x^{5} - x^{9} (28 x^{6}) - x^{9} (60 x^{4}) - x^{9} (60 x^{3}) - x^{9} (36 x^{2}) - x^{9} (26 x) - x^{9} \cdot 4 + 2 x^{8} (8 x^{7}) + 2 x^{8} (42 x^{5}) + 2 x^{8} (28 x^{6}) + 2 x^{8} (60 x^{4}) + 2 x^{8} (60 x^{3}) + 2 x^{8} (36 x^{2}) + 2 x^{8} (26 x) + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.5

Multiply $x^{9}$ by $x^{5}$ by adding the exponents.

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Step 10.4.47.5.1

Move $x^{5}$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 1 \cdot 42 (x^{5} x^{9}) - x^{9} (28 x^{6}) - x^{9} (60 x^{4}) - x^{9} (60 x^{3}) - x^{9} (36 x^{2}) - x^{9} (26 x) - x^{9} \cdot 4 + 2 x^{8} (8 x^{7}) + 2 x^{8} (42 x^{5}) + 2 x^{8} (28 x^{6}) + 2 x^{8} (60 x^{4}) + 2 x^{8} (60 x^{3}) + 2 x^{8} (36 x^{2}) + 2 x^{8} (26 x) + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.5.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 1 \cdot 42 x^{5 + 9} - x^{9} (28 x^{6}) - x^{9} (60 x^{4}) - x^{9} (60 x^{3}) - x^{9} (36 x^{2}) - x^{9} (26 x) - x^{9} \cdot 4 + 2 x^{8} (8 x^{7}) + 2 x^{8} (42 x^{5}) + 2 x^{8} (28 x^{6}) + 2 x^{8} (60 x^{4}) + 2 x^{8} (60 x^{3}) + 2 x^{8} (36 x^{2}) + 2 x^{8} (26 x) + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.5.3

Add $5$ and $9$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 1 \cdot 42 x^{14} - x^{9} (28 x^{6}) - x^{9} (60 x^{4}) - x^{9} (60 x^{3}) - x^{9} (36 x^{2}) - x^{9} (26 x) - x^{9} \cdot 4 + 2 x^{8} (8 x^{7}) + 2 x^{8} (42 x^{5}) + 2 x^{8} (28 x^{6}) + 2 x^{8} (60 x^{4}) + 2 x^{8} (60 x^{3}) + 2 x^{8} (36 x^{2}) + 2 x^{8} (26 x) + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.6

Multiply $- 1$ by $42$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - x^{9} (28 x^{6}) - x^{9} (60 x^{4}) - x^{9} (60 x^{3}) - x^{9} (36 x^{2}) - x^{9} (26 x) - x^{9} \cdot 4 + 2 x^{8} (8 x^{7}) + 2 x^{8} (42 x^{5}) + 2 x^{8} (28 x^{6}) + 2 x^{8} (60 x^{4}) + 2 x^{8} (60 x^{3}) + 2 x^{8} (36 x^{2}) + 2 x^{8} (26 x) + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.7

Rewrite using the commutative property of multiplication.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 1 \cdot 28 x^{9} x^{6} - x^{9} (60 x^{4}) - x^{9} (60 x^{3}) - x^{9} (36 x^{2}) - x^{9} (26 x) - x^{9} \cdot 4 + 2 x^{8} (8 x^{7}) + 2 x^{8} (42 x^{5}) + 2 x^{8} (28 x^{6}) + 2 x^{8} (60 x^{4}) + 2 x^{8} (60 x^{3}) + 2 x^{8} (36 x^{2}) + 2 x^{8} (26 x) + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.8

Multiply $x^{9}$ by $x^{6}$ by adding the exponents.

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Step 10.4.47.8.1

Move $x^{6}$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 1 \cdot 28 (x^{6} x^{9}) - x^{9} (60 x^{4}) - x^{9} (60 x^{3}) - x^{9} (36 x^{2}) - x^{9} (26 x) - x^{9} \cdot 4 + 2 x^{8} (8 x^{7}) + 2 x^{8} (42 x^{5}) + 2 x^{8} (28 x^{6}) + 2 x^{8} (60 x^{4}) + 2 x^{8} (60 x^{3}) + 2 x^{8} (36 x^{2}) + 2 x^{8} (26 x) + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.8.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 1 \cdot 28 x^{6 + 9} - x^{9} (60 x^{4}) - x^{9} (60 x^{3}) - x^{9} (36 x^{2}) - x^{9} (26 x) - x^{9} \cdot 4 + 2 x^{8} (8 x^{7}) + 2 x^{8} (42 x^{5}) + 2 x^{8} (28 x^{6}) + 2 x^{8} (60 x^{4}) + 2 x^{8} (60 x^{3}) + 2 x^{8} (36 x^{2}) + 2 x^{8} (26 x) + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.8.3

Add $6$ and $9$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 1 \cdot 28 x^{15} - x^{9} (60 x^{4}) - x^{9} (60 x^{3}) - x^{9} (36 x^{2}) - x^{9} (26 x) - x^{9} \cdot 4 + 2 x^{8} (8 x^{7}) + 2 x^{8} (42 x^{5}) + 2 x^{8} (28 x^{6}) + 2 x^{8} (60 x^{4}) + 2 x^{8} (60 x^{3}) + 2 x^{8} (36 x^{2}) + 2 x^{8} (26 x) + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.9

Multiply $- 1$ by $28$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - x^{9} (60 x^{4}) - x^{9} (60 x^{3}) - x^{9} (36 x^{2}) - x^{9} (26 x) - x^{9} \cdot 4 + 2 x^{8} (8 x^{7}) + 2 x^{8} (42 x^{5}) + 2 x^{8} (28 x^{6}) + 2 x^{8} (60 x^{4}) + 2 x^{8} (60 x^{3}) + 2 x^{8} (36 x^{2}) + 2 x^{8} (26 x) + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.10

Rewrite using the commutative property of multiplication.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 1 \cdot 60 x^{9} x^{4} - x^{9} (60 x^{3}) - x^{9} (36 x^{2}) - x^{9} (26 x) - x^{9} \cdot 4 + 2 x^{8} (8 x^{7}) + 2 x^{8} (42 x^{5}) + 2 x^{8} (28 x^{6}) + 2 x^{8} (60 x^{4}) + 2 x^{8} (60 x^{3}) + 2 x^{8} (36 x^{2}) + 2 x^{8} (26 x) + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.11

Multiply $x^{9}$ by $x^{4}$ by adding the exponents.

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Step 10.4.47.11.1

Move $x^{4}$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 1 \cdot 60 (x^{4} x^{9}) - x^{9} (60 x^{3}) - x^{9} (36 x^{2}) - x^{9} (26 x) - x^{9} \cdot 4 + 2 x^{8} (8 x^{7}) + 2 x^{8} (42 x^{5}) + 2 x^{8} (28 x^{6}) + 2 x^{8} (60 x^{4}) + 2 x^{8} (60 x^{3}) + 2 x^{8} (36 x^{2}) + 2 x^{8} (26 x) + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.11.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 1 \cdot 60 x^{4 + 9} - x^{9} (60 x^{3}) - x^{9} (36 x^{2}) - x^{9} (26 x) - x^{9} \cdot 4 + 2 x^{8} (8 x^{7}) + 2 x^{8} (42 x^{5}) + 2 x^{8} (28 x^{6}) + 2 x^{8} (60 x^{4}) + 2 x^{8} (60 x^{3}) + 2 x^{8} (36 x^{2}) + 2 x^{8} (26 x) + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.11.3

Add $4$ and $9$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 1 \cdot 60 x^{13} - x^{9} (60 x^{3}) - x^{9} (36 x^{2}) - x^{9} (26 x) - x^{9} \cdot 4 + 2 x^{8} (8 x^{7}) + 2 x^{8} (42 x^{5}) + 2 x^{8} (28 x^{6}) + 2 x^{8} (60 x^{4}) + 2 x^{8} (60 x^{3}) + 2 x^{8} (36 x^{2}) + 2 x^{8} (26 x) + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.12

Multiply $- 1$ by $60$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - x^{9} (60 x^{3}) - x^{9} (36 x^{2}) - x^{9} (26 x) - x^{9} \cdot 4 + 2 x^{8} (8 x^{7}) + 2 x^{8} (42 x^{5}) + 2 x^{8} (28 x^{6}) + 2 x^{8} (60 x^{4}) + 2 x^{8} (60 x^{3}) + 2 x^{8} (36 x^{2}) + 2 x^{8} (26 x) + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.13

Rewrite using the commutative property of multiplication.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 1 \cdot 60 x^{9} x^{3} - x^{9} (36 x^{2}) - x^{9} (26 x) - x^{9} \cdot 4 + 2 x^{8} (8 x^{7}) + 2 x^{8} (42 x^{5}) + 2 x^{8} (28 x^{6}) + 2 x^{8} (60 x^{4}) + 2 x^{8} (60 x^{3}) + 2 x^{8} (36 x^{2}) + 2 x^{8} (26 x) + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.14

Multiply $x^{9}$ by $x^{3}$ by adding the exponents.

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Step 10.4.47.14.1

Move $x^{3}$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 1 \cdot 60 (x^{3} x^{9}) - x^{9} (36 x^{2}) - x^{9} (26 x) - x^{9} \cdot 4 + 2 x^{8} (8 x^{7}) + 2 x^{8} (42 x^{5}) + 2 x^{8} (28 x^{6}) + 2 x^{8} (60 x^{4}) + 2 x^{8} (60 x^{3}) + 2 x^{8} (36 x^{2}) + 2 x^{8} (26 x) + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.14.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 1 \cdot 60 x^{3 + 9} - x^{9} (36 x^{2}) - x^{9} (26 x) - x^{9} \cdot 4 + 2 x^{8} (8 x^{7}) + 2 x^{8} (42 x^{5}) + 2 x^{8} (28 x^{6}) + 2 x^{8} (60 x^{4}) + 2 x^{8} (60 x^{3}) + 2 x^{8} (36 x^{2}) + 2 x^{8} (26 x) + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.14.3

Add $3$ and $9$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 1 \cdot 60 x^{12} - x^{9} (36 x^{2}) - x^{9} (26 x) - x^{9} \cdot 4 + 2 x^{8} (8 x^{7}) + 2 x^{8} (42 x^{5}) + 2 x^{8} (28 x^{6}) + 2 x^{8} (60 x^{4}) + 2 x^{8} (60 x^{3}) + 2 x^{8} (36 x^{2}) + 2 x^{8} (26 x) + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.15

Multiply $- 1$ by $60$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - x^{9} (36 x^{2}) - x^{9} (26 x) - x^{9} \cdot 4 + 2 x^{8} (8 x^{7}) + 2 x^{8} (42 x^{5}) + 2 x^{8} (28 x^{6}) + 2 x^{8} (60 x^{4}) + 2 x^{8} (60 x^{3}) + 2 x^{8} (36 x^{2}) + 2 x^{8} (26 x) + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.16

Rewrite using the commutative property of multiplication.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 1 \cdot 36 x^{9} x^{2} - x^{9} (26 x) - x^{9} \cdot 4 + 2 x^{8} (8 x^{7}) + 2 x^{8} (42 x^{5}) + 2 x^{8} (28 x^{6}) + 2 x^{8} (60 x^{4}) + 2 x^{8} (60 x^{3}) + 2 x^{8} (36 x^{2}) + 2 x^{8} (26 x) + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.17

Multiply $x^{9}$ by $x^{2}$ by adding the exponents.

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Step 10.4.47.17.1

Move $x^{2}$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 1 \cdot 36 (x^{2} x^{9}) - x^{9} (26 x) - x^{9} \cdot 4 + 2 x^{8} (8 x^{7}) + 2 x^{8} (42 x^{5}) + 2 x^{8} (28 x^{6}) + 2 x^{8} (60 x^{4}) + 2 x^{8} (60 x^{3}) + 2 x^{8} (36 x^{2}) + 2 x^{8} (26 x) + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.17.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 1 \cdot 36 x^{2 + 9} - x^{9} (26 x) - x^{9} \cdot 4 + 2 x^{8} (8 x^{7}) + 2 x^{8} (42 x^{5}) + 2 x^{8} (28 x^{6}) + 2 x^{8} (60 x^{4}) + 2 x^{8} (60 x^{3}) + 2 x^{8} (36 x^{2}) + 2 x^{8} (26 x) + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.17.3

Add $2$ and $9$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 1 \cdot 36 x^{11} - x^{9} (26 x) - x^{9} \cdot 4 + 2 x^{8} (8 x^{7}) + 2 x^{8} (42 x^{5}) + 2 x^{8} (28 x^{6}) + 2 x^{8} (60 x^{4}) + 2 x^{8} (60 x^{3}) + 2 x^{8} (36 x^{2}) + 2 x^{8} (26 x) + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.18

Multiply $- 1$ by $36$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - x^{9} (26 x) - x^{9} \cdot 4 + 2 x^{8} (8 x^{7}) + 2 x^{8} (42 x^{5}) + 2 x^{8} (28 x^{6}) + 2 x^{8} (60 x^{4}) + 2 x^{8} (60 x^{3}) + 2 x^{8} (36 x^{2}) + 2 x^{8} (26 x) + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.19

Rewrite using the commutative property of multiplication.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 1 \cdot 26 x^{9} x - x^{9} \cdot 4 + 2 x^{8} (8 x^{7}) + 2 x^{8} (42 x^{5}) + 2 x^{8} (28 x^{6}) + 2 x^{8} (60 x^{4}) + 2 x^{8} (60 x^{3}) + 2 x^{8} (36 x^{2}) + 2 x^{8} (26 x) + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.20

Multiply $x^{9}$ by $x$ by adding the exponents.

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Step 10.4.47.20.1

Move $x$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 1 \cdot 26 (x \cdot x^{9}) - x^{9} \cdot 4 + 2 x^{8} (8 x^{7}) + 2 x^{8} (42 x^{5}) + 2 x^{8} (28 x^{6}) + 2 x^{8} (60 x^{4}) + 2 x^{8} (60 x^{3}) + 2 x^{8} (36 x^{2}) + 2 x^{8} (26 x) + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.20.2

Multiply $x$ by $x^{9}$ .

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Step 10.4.47.20.2.1

Raise $x$ to the power of $1$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 1 \cdot 26 (x^{1} x^{9}) - x^{9} \cdot 4 + 2 x^{8} (8 x^{7}) + 2 x^{8} (42 x^{5}) + 2 x^{8} (28 x^{6}) + 2 x^{8} (60 x^{4}) + 2 x^{8} (60 x^{3}) + 2 x^{8} (36 x^{2}) + 2 x^{8} (26 x) + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.20.2.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 1 \cdot 26 x^{1 + 9} - x^{9} \cdot 4 + 2 x^{8} (8 x^{7}) + 2 x^{8} (42 x^{5}) + 2 x^{8} (28 x^{6}) + 2 x^{8} (60 x^{4}) + 2 x^{8} (60 x^{3}) + 2 x^{8} (36 x^{2}) + 2 x^{8} (26 x) + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.20.3

Add $1$ and $9$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 1 \cdot 26 x^{10} - x^{9} \cdot 4 + 2 x^{8} (8 x^{7}) + 2 x^{8} (42 x^{5}) + 2 x^{8} (28 x^{6}) + 2 x^{8} (60 x^{4}) + 2 x^{8} (60 x^{3}) + 2 x^{8} (36 x^{2}) + 2 x^{8} (26 x) + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.21

Multiply $- 1$ by $26$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - x^{9} \cdot 4 + 2 x^{8} (8 x^{7}) + 2 x^{8} (42 x^{5}) + 2 x^{8} (28 x^{6}) + 2 x^{8} (60 x^{4}) + 2 x^{8} (60 x^{3}) + 2 x^{8} (36 x^{2}) + 2 x^{8} (26 x) + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.22

Multiply $4$ by $- 1$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 2 x^{8} (8 x^{7}) + 2 x^{8} (42 x^{5}) + 2 x^{8} (28 x^{6}) + 2 x^{8} (60 x^{4}) + 2 x^{8} (60 x^{3}) + 2 x^{8} (36 x^{2}) + 2 x^{8} (26 x) + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.23

Rewrite using the commutative property of multiplication.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 2 \cdot 8 x^{8} x^{7} + 2 x^{8} (42 x^{5}) + 2 x^{8} (28 x^{6}) + 2 x^{8} (60 x^{4}) + 2 x^{8} (60 x^{3}) + 2 x^{8} (36 x^{2}) + 2 x^{8} (26 x) + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.24

Multiply $x^{8}$ by $x^{7}$ by adding the exponents.

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Step 10.4.47.24.1

Move $x^{7}$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 2 \cdot 8 (x^{7} x^{8}) + 2 x^{8} (42 x^{5}) + 2 x^{8} (28 x^{6}) + 2 x^{8} (60 x^{4}) + 2 x^{8} (60 x^{3}) + 2 x^{8} (36 x^{2}) + 2 x^{8} (26 x) + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.24.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 2 \cdot 8 x^{7 + 8} + 2 x^{8} (42 x^{5}) + 2 x^{8} (28 x^{6}) + 2 x^{8} (60 x^{4}) + 2 x^{8} (60 x^{3}) + 2 x^{8} (36 x^{2}) + 2 x^{8} (26 x) + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.24.3

Add $7$ and $8$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 2 \cdot 8 x^{15} + 2 x^{8} (42 x^{5}) + 2 x^{8} (28 x^{6}) + 2 x^{8} (60 x^{4}) + 2 x^{8} (60 x^{3}) + 2 x^{8} (36 x^{2}) + 2 x^{8} (26 x) + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.25

Multiply $2$ by $8$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 2 x^{8} (42 x^{5}) + 2 x^{8} (28 x^{6}) + 2 x^{8} (60 x^{4}) + 2 x^{8} (60 x^{3}) + 2 x^{8} (36 x^{2}) + 2 x^{8} (26 x) + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.26

Rewrite using the commutative property of multiplication.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 2 \cdot 42 x^{8} x^{5} + 2 x^{8} (28 x^{6}) + 2 x^{8} (60 x^{4}) + 2 x^{8} (60 x^{3}) + 2 x^{8} (36 x^{2}) + 2 x^{8} (26 x) + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.27

Multiply $x^{8}$ by $x^{5}$ by adding the exponents.

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Step 10.4.47.27.1

Move $x^{5}$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 2 \cdot 42 (x^{5} x^{8}) + 2 x^{8} (28 x^{6}) + 2 x^{8} (60 x^{4}) + 2 x^{8} (60 x^{3}) + 2 x^{8} (36 x^{2}) + 2 x^{8} (26 x) + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.27.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 2 \cdot 42 x^{5 + 8} + 2 x^{8} (28 x^{6}) + 2 x^{8} (60 x^{4}) + 2 x^{8} (60 x^{3}) + 2 x^{8} (36 x^{2}) + 2 x^{8} (26 x) + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.27.3

Add $5$ and $8$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 2 \cdot 42 x^{13} + 2 x^{8} (28 x^{6}) + 2 x^{8} (60 x^{4}) + 2 x^{8} (60 x^{3}) + 2 x^{8} (36 x^{2}) + 2 x^{8} (26 x) + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.28

Multiply $2$ by $42$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 84 x^{13} + 2 x^{8} (28 x^{6}) + 2 x^{8} (60 x^{4}) + 2 x^{8} (60 x^{3}) + 2 x^{8} (36 x^{2}) + 2 x^{8} (26 x) + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.29

Rewrite using the commutative property of multiplication.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 84 x^{13} + 2 \cdot 28 x^{8} x^{6} + 2 x^{8} (60 x^{4}) + 2 x^{8} (60 x^{3}) + 2 x^{8} (36 x^{2}) + 2 x^{8} (26 x) + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.30

Multiply $x^{8}$ by $x^{6}$ by adding the exponents.

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Step 10.4.47.30.1

Move $x^{6}$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 84 x^{13} + 2 \cdot 28 (x^{6} x^{8}) + 2 x^{8} (60 x^{4}) + 2 x^{8} (60 x^{3}) + 2 x^{8} (36 x^{2}) + 2 x^{8} (26 x) + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.30.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 84 x^{13} + 2 \cdot 28 x^{6 + 8} + 2 x^{8} (60 x^{4}) + 2 x^{8} (60 x^{3}) + 2 x^{8} (36 x^{2}) + 2 x^{8} (26 x) + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.30.3

Add $6$ and $8$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 84 x^{13} + 2 \cdot 28 x^{14} + 2 x^{8} (60 x^{4}) + 2 x^{8} (60 x^{3}) + 2 x^{8} (36 x^{2}) + 2 x^{8} (26 x) + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.31

Multiply $2$ by $28$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 84 x^{13} + 56 x^{14} + 2 x^{8} (60 x^{4}) + 2 x^{8} (60 x^{3}) + 2 x^{8} (36 x^{2}) + 2 x^{8} (26 x) + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.32

Rewrite using the commutative property of multiplication.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 84 x^{13} + 56 x^{14} + 2 \cdot 60 x^{8} x^{4} + 2 x^{8} (60 x^{3}) + 2 x^{8} (36 x^{2}) + 2 x^{8} (26 x) + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.33

Multiply $x^{8}$ by $x^{4}$ by adding the exponents.

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Step 10.4.47.33.1

Move $x^{4}$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 84 x^{13} + 56 x^{14} + 2 \cdot 60 (x^{4} x^{8}) + 2 x^{8} (60 x^{3}) + 2 x^{8} (36 x^{2}) + 2 x^{8} (26 x) + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.33.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 84 x^{13} + 56 x^{14} + 2 \cdot 60 x^{4 + 8} + 2 x^{8} (60 x^{3}) + 2 x^{8} (36 x^{2}) + 2 x^{8} (26 x) + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.33.3

Add $4$ and $8$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 84 x^{13} + 56 x^{14} + 2 \cdot 60 x^{12} + 2 x^{8} (60 x^{3}) + 2 x^{8} (36 x^{2}) + 2 x^{8} (26 x) + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.34

Multiply $2$ by $60$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 84 x^{13} + 56 x^{14} + 120 x^{12} + 2 x^{8} (60 x^{3}) + 2 x^{8} (36 x^{2}) + 2 x^{8} (26 x) + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.35

Rewrite using the commutative property of multiplication.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 84 x^{13} + 56 x^{14} + 120 x^{12} + 2 \cdot 60 x^{8} x^{3} + 2 x^{8} (36 x^{2}) + 2 x^{8} (26 x) + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.36

Multiply $x^{8}$ by $x^{3}$ by adding the exponents.

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Step 10.4.47.36.1

Move $x^{3}$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 84 x^{13} + 56 x^{14} + 120 x^{12} + 2 \cdot 60 (x^{3} x^{8}) + 2 x^{8} (36 x^{2}) + 2 x^{8} (26 x) + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.36.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 84 x^{13} + 56 x^{14} + 120 x^{12} + 2 \cdot 60 x^{3 + 8} + 2 x^{8} (36 x^{2}) + 2 x^{8} (26 x) + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.36.3

Add $3$ and $8$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 84 x^{13} + 56 x^{14} + 120 x^{12} + 2 \cdot 60 x^{11} + 2 x^{8} (36 x^{2}) + 2 x^{8} (26 x) + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.37

Multiply $2$ by $60$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 84 x^{13} + 56 x^{14} + 120 x^{12} + 120 x^{11} + 2 x^{8} (36 x^{2}) + 2 x^{8} (26 x) + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.38

Rewrite using the commutative property of multiplication.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 84 x^{13} + 56 x^{14} + 120 x^{12} + 120 x^{11} + 2 \cdot 36 x^{8} x^{2} + 2 x^{8} (26 x) + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.39

Multiply $x^{8}$ by $x^{2}$ by adding the exponents.

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Step 10.4.47.39.1

Move $x^{2}$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 84 x^{13} + 56 x^{14} + 120 x^{12} + 120 x^{11} + 2 \cdot 36 (x^{2} x^{8}) + 2 x^{8} (26 x) + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.39.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 84 x^{13} + 56 x^{14} + 120 x^{12} + 120 x^{11} + 2 \cdot 36 x^{2 + 8} + 2 x^{8} (26 x) + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.39.3

Add $2$ and $8$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 84 x^{13} + 56 x^{14} + 120 x^{12} + 120 x^{11} + 2 \cdot 36 x^{10} + 2 x^{8} (26 x) + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.40

Multiply $2$ by $36$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 84 x^{13} + 56 x^{14} + 120 x^{12} + 120 x^{11} + 72 x^{10} + 2 x^{8} (26 x) + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.41

Rewrite using the commutative property of multiplication.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 84 x^{13} + 56 x^{14} + 120 x^{12} + 120 x^{11} + 72 x^{10} + 2 \cdot 26 x^{8} x + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.42

Multiply $x^{8}$ by $x$ by adding the exponents.

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Step 10.4.47.42.1

Move $x$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 84 x^{13} + 56 x^{14} + 120 x^{12} + 120 x^{11} + 72 x^{10} + 2 \cdot 26 (x \cdot x^{8}) + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.42.2

Multiply $x$ by $x^{8}$ .

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Step 10.4.47.42.2.1

Raise $x$ to the power of $1$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 84 x^{13} + 56 x^{14} + 120 x^{12} + 120 x^{11} + 72 x^{10} + 2 \cdot 26 (x^{1} x^{8}) + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.42.2.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 84 x^{13} + 56 x^{14} + 120 x^{12} + 120 x^{11} + 72 x^{10} + 2 \cdot 26 x^{1 + 8} + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.42.3

Add $1$ and $8$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 84 x^{13} + 56 x^{14} + 120 x^{12} + 120 x^{11} + 72 x^{10} + 2 \cdot 26 x^{9} + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.43

Multiply $2$ by $26$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 84 x^{13} + 56 x^{14} + 120 x^{12} + 120 x^{11} + 72 x^{10} + 52 x^{9} + 2 x^{8} \cdot 4 - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.44

Multiply $4$ by $2$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 84 x^{13} + 56 x^{14} + 120 x^{12} + 120 x^{11} + 72 x^{10} + 52 x^{9} + 8 x^{8} - x^{7} (8 x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.45

Rewrite using the commutative property of multiplication.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 84 x^{13} + 56 x^{14} + 120 x^{12} + 120 x^{11} + 72 x^{10} + 52 x^{9} + 8 x^{8} - 1 \cdot 8 x^{7} x^{7} - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.46

Multiply $x^{7}$ by $x^{7}$ by adding the exponents.

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Step 10.4.47.46.1

Move $x^{7}$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 84 x^{13} + 56 x^{14} + 120 x^{12} + 120 x^{11} + 72 x^{10} + 52 x^{9} + 8 x^{8} - 1 \cdot 8 (x^{7} x^{7}) - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.46.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 84 x^{13} + 56 x^{14} + 120 x^{12} + 120 x^{11} + 72 x^{10} + 52 x^{9} + 8 x^{8} - 1 \cdot 8 x^{7 + 7} - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.46.3

Add $7$ and $7$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 84 x^{13} + 56 x^{14} + 120 x^{12} + 120 x^{11} + 72 x^{10} + 52 x^{9} + 8 x^{8} - 1 \cdot 8 x^{14} - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.47

Multiply $- 1$ by $8$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 84 x^{13} + 56 x^{14} + 120 x^{12} + 120 x^{11} + 72 x^{10} + 52 x^{9} + 8 x^{8} - 8 x^{14} - x^{7} (42 x^{5}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.48

Rewrite using the commutative property of multiplication.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 84 x^{13} + 56 x^{14} + 120 x^{12} + 120 x^{11} + 72 x^{10} + 52 x^{9} + 8 x^{8} - 8 x^{14} - 1 \cdot 42 x^{7} x^{5} - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.49

Multiply $x^{7}$ by $x^{5}$ by adding the exponents.

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Step 10.4.47.49.1

Move $x^{5}$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 84 x^{13} + 56 x^{14} + 120 x^{12} + 120 x^{11} + 72 x^{10} + 52 x^{9} + 8 x^{8} - 8 x^{14} - 1 \cdot 42 (x^{5} x^{7}) - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.49.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 84 x^{13} + 56 x^{14} + 120 x^{12} + 120 x^{11} + 72 x^{10} + 52 x^{9} + 8 x^{8} - 8 x^{14} - 1 \cdot 42 x^{5 + 7} - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.49.3

Add $5$ and $7$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 84 x^{13} + 56 x^{14} + 120 x^{12} + 120 x^{11} + 72 x^{10} + 52 x^{9} + 8 x^{8} - 8 x^{14} - 1 \cdot 42 x^{12} - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.50

Multiply $- 1$ by $42$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 84 x^{13} + 56 x^{14} + 120 x^{12} + 120 x^{11} + 72 x^{10} + 52 x^{9} + 8 x^{8} - 8 x^{14} - 42 x^{12} - x^{7} (28 x^{6}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.51

Rewrite using the commutative property of multiplication.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 84 x^{13} + 56 x^{14} + 120 x^{12} + 120 x^{11} + 72 x^{10} + 52 x^{9} + 8 x^{8} - 8 x^{14} - 42 x^{12} - 1 \cdot 28 x^{7} x^{6} - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.52

Multiply $x^{7}$ by $x^{6}$ by adding the exponents.

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Step 10.4.47.52.1

Move $x^{6}$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 84 x^{13} + 56 x^{14} + 120 x^{12} + 120 x^{11} + 72 x^{10} + 52 x^{9} + 8 x^{8} - 8 x^{14} - 42 x^{12} - 1 \cdot 28 (x^{6} x^{7}) - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.52.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 84 x^{13} + 56 x^{14} + 120 x^{12} + 120 x^{11} + 72 x^{10} + 52 x^{9} + 8 x^{8} - 8 x^{14} - 42 x^{12} - 1 \cdot 28 x^{6 + 7} - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.52.3

Add $6$ and $7$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 84 x^{13} + 56 x^{14} + 120 x^{12} + 120 x^{11} + 72 x^{10} + 52 x^{9} + 8 x^{8} - 8 x^{14} - 42 x^{12} - 1 \cdot 28 x^{13} - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.53

Multiply $- 1$ by $28$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 84 x^{13} + 56 x^{14} + 120 x^{12} + 120 x^{11} + 72 x^{10} + 52 x^{9} + 8 x^{8} - 8 x^{14} - 42 x^{12} - 28 x^{13} - x^{7} (60 x^{4}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.54

Rewrite using the commutative property of multiplication.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 84 x^{13} + 56 x^{14} + 120 x^{12} + 120 x^{11} + 72 x^{10} + 52 x^{9} + 8 x^{8} - 8 x^{14} - 42 x^{12} - 28 x^{13} - 1 \cdot 60 x^{7} x^{4} - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.55

Multiply $x^{7}$ by $x^{4}$ by adding the exponents.

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Step 10.4.47.55.1

Move $x^{4}$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 84 x^{13} + 56 x^{14} + 120 x^{12} + 120 x^{11} + 72 x^{10} + 52 x^{9} + 8 x^{8} - 8 x^{14} - 42 x^{12} - 28 x^{13} - 1 \cdot 60 (x^{4} x^{7}) - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.55.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 84 x^{13} + 56 x^{14} + 120 x^{12} + 120 x^{11} + 72 x^{10} + 52 x^{9} + 8 x^{8} - 8 x^{14} - 42 x^{12} - 28 x^{13} - 1 \cdot 60 x^{4 + 7} - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.55.3

Add $4$ and $7$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 84 x^{13} + 56 x^{14} + 120 x^{12} + 120 x^{11} + 72 x^{10} + 52 x^{9} + 8 x^{8} - 8 x^{14} - 42 x^{12} - 28 x^{13} - 1 \cdot 60 x^{11} - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.56

Multiply $- 1$ by $60$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 84 x^{13} + 56 x^{14} + 120 x^{12} + 120 x^{11} + 72 x^{10} + 52 x^{9} + 8 x^{8} - 8 x^{14} - 42 x^{12} - 28 x^{13} - 60 x^{11} - x^{7} (60 x^{3}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.57

Rewrite using the commutative property of multiplication.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 84 x^{13} + 56 x^{14} + 120 x^{12} + 120 x^{11} + 72 x^{10} + 52 x^{9} + 8 x^{8} - 8 x^{14} - 42 x^{12} - 28 x^{13} - 60 x^{11} - 1 \cdot 60 x^{7} x^{3} - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.58

Multiply $x^{7}$ by $x^{3}$ by adding the exponents.

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Step 10.4.47.58.1

Move $x^{3}$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 84 x^{13} + 56 x^{14} + 120 x^{12} + 120 x^{11} + 72 x^{10} + 52 x^{9} + 8 x^{8} - 8 x^{14} - 42 x^{12} - 28 x^{13} - 60 x^{11} - 1 \cdot 60 (x^{3} x^{7}) - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.58.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 84 x^{13} + 56 x^{14} + 120 x^{12} + 120 x^{11} + 72 x^{10} + 52 x^{9} + 8 x^{8} - 8 x^{14} - 42 x^{12} - 28 x^{13} - 60 x^{11} - 1 \cdot 60 x^{3 + 7} - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.58.3

Add $3$ and $7$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 84 x^{13} + 56 x^{14} + 120 x^{12} + 120 x^{11} + 72 x^{10} + 52 x^{9} + 8 x^{8} - 8 x^{14} - 42 x^{12} - 28 x^{13} - 60 x^{11} - 1 \cdot 60 x^{10} - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.59

Multiply $- 1$ by $60$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 84 x^{13} + 56 x^{14} + 120 x^{12} + 120 x^{11} + 72 x^{10} + 52 x^{9} + 8 x^{8} - 8 x^{14} - 42 x^{12} - 28 x^{13} - 60 x^{11} - 60 x^{10} - x^{7} (36 x^{2}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.60

Rewrite using the commutative property of multiplication.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 84 x^{13} + 56 x^{14} + 120 x^{12} + 120 x^{11} + 72 x^{10} + 52 x^{9} + 8 x^{8} - 8 x^{14} - 42 x^{12} - 28 x^{13} - 60 x^{11} - 60 x^{10} - 1 \cdot 36 x^{7} x^{2} - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.61

Multiply $x^{7}$ by $x^{2}$ by adding the exponents.

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Step 10.4.47.61.1

Move $x^{2}$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 84 x^{13} + 56 x^{14} + 120 x^{12} + 120 x^{11} + 72 x^{10} + 52 x^{9} + 8 x^{8} - 8 x^{14} - 42 x^{12} - 28 x^{13} - 60 x^{11} - 60 x^{10} - 1 \cdot 36 (x^{2} x^{7}) - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.61.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 84 x^{13} + 56 x^{14} + 120 x^{12} + 120 x^{11} + 72 x^{10} + 52 x^{9} + 8 x^{8} - 8 x^{14} - 42 x^{12} - 28 x^{13} - 60 x^{11} - 60 x^{10} - 1 \cdot 36 x^{2 + 7} - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.61.3

Add $2$ and $7$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 84 x^{13} + 56 x^{14} + 120 x^{12} + 120 x^{11} + 72 x^{10} + 52 x^{9} + 8 x^{8} - 8 x^{14} - 42 x^{12} - 28 x^{13} - 60 x^{11} - 60 x^{10} - 1 \cdot 36 x^{9} - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.62

Multiply $- 1$ by $36$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 84 x^{13} + 56 x^{14} + 120 x^{12} + 120 x^{11} + 72 x^{10} + 52 x^{9} + 8 x^{8} - 8 x^{14} - 42 x^{12} - 28 x^{13} - 60 x^{11} - 60 x^{10} - 36 x^{9} - x^{7} (26 x) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.63

Rewrite using the commutative property of multiplication.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 84 x^{13} + 56 x^{14} + 120 x^{12} + 120 x^{11} + 72 x^{10} + 52 x^{9} + 8 x^{8} - 8 x^{14} - 42 x^{12} - 28 x^{13} - 60 x^{11} - 60 x^{10} - 36 x^{9} - 1 \cdot 26 x^{7} x - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.64

Multiply $x^{7}$ by $x$ by adding the exponents.

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Step 10.4.47.64.1

Move $x$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 84 x^{13} + 56 x^{14} + 120 x^{12} + 120 x^{11} + 72 x^{10} + 52 x^{9} + 8 x^{8} - 8 x^{14} - 42 x^{12} - 28 x^{13} - 60 x^{11} - 60 x^{10} - 36 x^{9} - 1 \cdot 26 (x \cdot x^{7}) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.64.2

Multiply $x$ by $x^{7}$ .

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Step 10.4.47.64.2.1

Raise $x$ to the power of $1$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 84 x^{13} + 56 x^{14} + 120 x^{12} + 120 x^{11} + 72 x^{10} + 52 x^{9} + 8 x^{8} - 8 x^{14} - 42 x^{12} - 28 x^{13} - 60 x^{11} - 60 x^{10} - 36 x^{9} - 1 \cdot 26 (x^{1} x^{7}) - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.64.2.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 84 x^{13} + 56 x^{14} + 120 x^{12} + 120 x^{11} + 72 x^{10} + 52 x^{9} + 8 x^{8} - 8 x^{14} - 42 x^{12} - 28 x^{13} - 60 x^{11} - 60 x^{10} - 36 x^{9} - 1 \cdot 26 x^{1 + 7} - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.64.3

Add $1$ and $7$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 84 x^{13} + 56 x^{14} + 120 x^{12} + 120 x^{11} + 72 x^{10} + 52 x^{9} + 8 x^{8} - 8 x^{14} - 42 x^{12} - 28 x^{13} - 60 x^{11} - 60 x^{10} - 36 x^{9} - 1 \cdot 26 x^{8} - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.65

Multiply $- 1$ by $26$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 84 x^{13} + 56 x^{14} + 120 x^{12} + 120 x^{11} + 72 x^{10} + 52 x^{9} + 8 x^{8} - 8 x^{14} - 42 x^{12} - 28 x^{13} - 60 x^{11} - 60 x^{10} - 36 x^{9} - 26 x^{8} - x^{7} \cdot 4}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.47.66

Multiply $4$ by $- 1$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} - 42 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 84 x^{13} + 56 x^{14} + 120 x^{12} + 120 x^{11} + 72 x^{10} + 52 x^{9} + 8 x^{8} - 8 x^{14} - 42 x^{12} - 28 x^{13} - 60 x^{11} - 60 x^{10} - 36 x^{9} - 26 x^{8} - 4 x^{7}}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.48

Add $- 42 x^{14}$ and $56 x^{14}$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} + 14 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 84 x^{13} + 120 x^{12} + 120 x^{11} + 72 x^{10} + 52 x^{9} + 8 x^{8} - 8 x^{14} - 42 x^{12} - 28 x^{13} - 60 x^{11} - 60 x^{10} - 36 x^{9} - 26 x^{8} - 4 x^{7}}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.49

Subtract $8 x^{14}$ from $14 x^{14}$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} + 6 x^{14} - 28 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 16 x^{15} + 84 x^{13} + 120 x^{12} + 120 x^{11} + 72 x^{10} + 52 x^{9} + 8 x^{8} - 42 x^{12} - 28 x^{13} - 60 x^{11} - 60 x^{10} - 36 x^{9} - 26 x^{8} - 4 x^{7}}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.50

Add $- 28 x^{15}$ and $16 x^{15}$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} + 6 x^{14} - 12 x^{15} - 60 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 84 x^{13} + 120 x^{12} + 120 x^{11} + 72 x^{10} + 52 x^{9} + 8 x^{8} - 42 x^{12} - 28 x^{13} - 60 x^{11} - 60 x^{10} - 36 x^{9} - 26 x^{8} - 4 x^{7}}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.51

Add $- 60 x^{13}$ and $84 x^{13}$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} + 6 x^{14} - 12 x^{15} + 24 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 120 x^{12} + 120 x^{11} + 72 x^{10} + 52 x^{9} + 8 x^{8} - 42 x^{12} - 28 x^{13} - 60 x^{11} - 60 x^{10} - 36 x^{9} - 26 x^{8} - 4 x^{7}}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.52

Subtract $28 x^{13}$ from $24 x^{13}$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} + 6 x^{14} - 12 x^{15} - 4 x^{13} - 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 120 x^{12} + 120 x^{11} + 72 x^{10} + 52 x^{9} + 8 x^{8} - 42 x^{12} - 60 x^{11} - 60 x^{10} - 36 x^{9} - 26 x^{8} - 4 x^{7}}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.53

Add $- 60 x^{12}$ and $120 x^{12}$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} + 6 x^{14} - 12 x^{15} - 4 x^{13} + 60 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 120 x^{11} + 72 x^{10} + 52 x^{9} + 8 x^{8} - 42 x^{12} - 60 x^{11} - 60 x^{10} - 36 x^{9} - 26 x^{8} - 4 x^{7}}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.54

Subtract $42 x^{12}$ from $60 x^{12}$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} + 6 x^{14} - 12 x^{15} - 4 x^{13} + 18 x^{12} - 36 x^{11} - 26 x^{10} - 4 x^{9} + 120 x^{11} + 72 x^{10} + 52 x^{9} + 8 x^{8} - 60 x^{11} - 60 x^{10} - 36 x^{9} - 26 x^{8} - 4 x^{7}}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.55

Add $- 36 x^{11}$ and $120 x^{11}$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} + 6 x^{14} - 12 x^{15} - 4 x^{13} + 18 x^{12} + 84 x^{11} - 26 x^{10} - 4 x^{9} + 72 x^{10} + 52 x^{9} + 8 x^{8} - 60 x^{11} - 60 x^{10} - 36 x^{9} - 26 x^{8} - 4 x^{7}}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.56

Subtract $60 x^{11}$ from $84 x^{11}$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} + 6 x^{14} - 12 x^{15} - 4 x^{13} + 18 x^{12} + 24 x^{11} - 26 x^{10} - 4 x^{9} + 72 x^{10} + 52 x^{9} + 8 x^{8} - 60 x^{10} - 36 x^{9} - 26 x^{8} - 4 x^{7}}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.57

Add $- 26 x^{10}$ and $72 x^{10}$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} + 6 x^{14} - 12 x^{15} - 4 x^{13} + 18 x^{12} + 24 x^{11} + 46 x^{10} - 4 x^{9} + 52 x^{9} + 8 x^{8} - 60 x^{10} - 36 x^{9} - 26 x^{8} - 4 x^{7}}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.58

Subtract $60 x^{10}$ from $46 x^{10}$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} + 6 x^{14} - 12 x^{15} - 4 x^{13} + 18 x^{12} + 24 x^{11} - 14 x^{10} - 4 x^{9} + 52 x^{9} + 8 x^{8} - 36 x^{9} - 26 x^{8} - 4 x^{7}}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.59

Add $- 4 x^{9}$ and $52 x^{9}$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} + 6 x^{14} - 12 x^{15} - 4 x^{13} + 18 x^{12} + 24 x^{11} - 14 x^{10} + 48 x^{9} + 8 x^{8} - 36 x^{9} - 26 x^{8} - 4 x^{7}}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.60

Subtract $36 x^{9}$ from $48 x^{9}$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} + 6 x^{14} - 12 x^{15} - 4 x^{13} + 18 x^{12} + 24 x^{11} - 14 x^{10} + 12 x^{9} + 8 x^{8} - 26 x^{8} - 4 x^{7}}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.61

Subtract $26 x^{8}$ from $8 x^{8}$ .

$\frac{9 x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 8 x^{16} + 6 x^{14} - 12 x^{15} - 4 x^{13} + 18 x^{12} + 24 x^{11} - 14 x^{10} + 12 x^{9} - 18 x^{8} - 4 x^{7}}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.62

Subtract $8 x^{16}$ from $9 x^{16}$ .

$\frac{x^{16} + 20 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + 6 x^{14} - 12 x^{15} - 4 x^{13} + 18 x^{12} + 24 x^{11} - 14 x^{10} + 12 x^{9} - 18 x^{8} - 4 x^{7}}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.63

Subtract $12 x^{15}$ from $20 x^{15}$ .

$\frac{x^{16} + 8 x^{15} + 6 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + 6 x^{14} - 4 x^{13} + 18 x^{12} + 24 x^{11} - 14 x^{10} + 12 x^{9} - 18 x^{8} - 4 x^{7}}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.64

Add $6 x^{14}$ and $6 x^{14}$ .

$\frac{x^{16} + 8 x^{15} + 12 x^{14} + 24 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 4 x^{13} + 18 x^{12} + 24 x^{11} - 14 x^{10} + 12 x^{9} - 18 x^{8} - 4 x^{7}}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.65

Subtract $4 x^{13}$ from $24 x^{13}$ .

$\frac{x^{16} + 8 x^{15} + 12 x^{14} + 20 x^{13} - 8 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + 18 x^{12} + 24 x^{11} - 14 x^{10} + 12 x^{9} - 18 x^{8} - 4 x^{7}}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.66

Add $- 8 x^{12}$ and $18 x^{12}$ .

$\frac{x^{16} + 8 x^{15} + 12 x^{14} + 20 x^{13} + 10 x^{12} - 48 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + 24 x^{11} - 14 x^{10} + 12 x^{9} - 18 x^{8} - 4 x^{7}}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.67

Add $- 48 x^{11}$ and $24 x^{11}$ .

$\frac{x^{16} + 8 x^{15} + 12 x^{14} + 20 x^{13} + 10 x^{12} - 24 x^{11} + 30 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 14 x^{10} + 12 x^{9} - 18 x^{8} - 4 x^{7}}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.68

Subtract $14 x^{10}$ from $30 x^{10}$ .

$\frac{x^{16} + 8 x^{15} + 12 x^{14} + 20 x^{13} + 10 x^{12} - 24 x^{11} + 16 x^{10} - 88 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} + 12 x^{9} - 18 x^{8} - 4 x^{7}}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.69

Add $- 88 x^{9}$ and $12 x^{9}$ .

$\frac{x^{16} + 8 x^{15} + 12 x^{14} + 20 x^{13} + 10 x^{12} - 24 x^{11} + 16 x^{10} - 76 x^{9} + 63 x^{8} - 36 x^{7} + 28 x^{6} - 18 x^{8} - 4 x^{7}}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.70

Subtract $18 x^{8}$ from $63 x^{8}$ .

$\frac{x^{16} + 8 x^{15} + 12 x^{14} + 20 x^{13} + 10 x^{12} - 24 x^{11} + 16 x^{10} - 76 x^{9} + 45 x^{8} - 36 x^{7} + 28 x^{6} - 4 x^{7}}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.71

Subtract $4 x^{7}$ from $- 36 x^{7}$ .

$\frac{x^{16} + 8 x^{15} + 12 x^{14} + 20 x^{13} + 10 x^{12} - 24 x^{11} + 16 x^{10} - 76 x^{9} + 45 x^{8} - 40 x^{7} + 28 x^{6}}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.72

Factor $x^{6}$ out of $x^{16} + 8 x^{15} + 12 x^{14} + 20 x^{13} + 10 x^{12} - 24 x^{11} + 16 x^{10} - 76 x^{9} + 45 x^{8} - 40 x^{7} + 28 x^{6}$ .

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Step 10.4.72.1

Factor $x^{6}$ out of $x^{16}$ .

$\frac{x^{6} x^{10} + 8 x^{15} + 12 x^{14} + 20 x^{13} + 10 x^{12} - 24 x^{11} + 16 x^{10} - 76 x^{9} + 45 x^{8} - 40 x^{7} + 28 x^{6}}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.72.2

Factor $x^{6}$ out of $8 x^{15}$ .

$\frac{x^{6} x^{10} + x^{6} (8 x^{9}) + 12 x^{14} + 20 x^{13} + 10 x^{12} - 24 x^{11} + 16 x^{10} - 76 x^{9} + 45 x^{8} - 40 x^{7} + 28 x^{6}}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.72.3

Factor $x^{6}$ out of $12 x^{14}$ .

$\frac{x^{6} x^{10} + x^{6} (8 x^{9}) + x^{6} (12 x^{8}) + 20 x^{13} + 10 x^{12} - 24 x^{11} + 16 x^{10} - 76 x^{9} + 45 x^{8} - 40 x^{7} + 28 x^{6}}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.72.4

Factor $x^{6}$ out of $20 x^{13}$ .

$\frac{x^{6} x^{10} + x^{6} (8 x^{9}) + x^{6} (12 x^{8}) + x^{6} (20 x^{7}) + 10 x^{12} - 24 x^{11} + 16 x^{10} - 76 x^{9} + 45 x^{8} - 40 x^{7} + 28 x^{6}}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.72.5

Factor $x^{6}$ out of $10 x^{12}$ .

$\frac{x^{6} x^{10} + x^{6} (8 x^{9}) + x^{6} (12 x^{8}) + x^{6} (20 x^{7}) + x^{6} (10 x^{6}) - 24 x^{11} + 16 x^{10} - 76 x^{9} + 45 x^{8} - 40 x^{7} + 28 x^{6}}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.72.6

Factor $x^{6}$ out of $- 24 x^{11}$ .

$\frac{x^{6} x^{10} + x^{6} (8 x^{9}) + x^{6} (12 x^{8}) + x^{6} (20 x^{7}) + x^{6} (10 x^{6}) + x^{6} (- 24 x^{5}) + 16 x^{10} - 76 x^{9} + 45 x^{8} - 40 x^{7} + 28 x^{6}}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.72.7

Factor $x^{6}$ out of $16 x^{10}$ .

$\frac{x^{6} x^{10} + x^{6} (8 x^{9}) + x^{6} (12 x^{8}) + x^{6} (20 x^{7}) + x^{6} (10 x^{6}) + x^{6} (- 24 x^{5}) + x^{6} (16 x^{4}) - 76 x^{9} + 45 x^{8} - 40 x^{7} + 28 x^{6}}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.72.8

Factor $x^{6}$ out of $- 76 x^{9}$ .

$\frac{x^{6} x^{10} + x^{6} (8 x^{9}) + x^{6} (12 x^{8}) + x^{6} (20 x^{7}) + x^{6} (10 x^{6}) + x^{6} (- 24 x^{5}) + x^{6} (16 x^{4}) + x^{6} (- 76 x^{3}) + 45 x^{8} - 40 x^{7} + 28 x^{6}}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.72.9

Factor $x^{6}$ out of $45 x^{8}$ .

$\frac{x^{6} x^{10} + x^{6} (8 x^{9}) + x^{6} (12 x^{8}) + x^{6} (20 x^{7}) + x^{6} (10 x^{6}) + x^{6} (- 24 x^{5}) + x^{6} (16 x^{4}) + x^{6} (- 76 x^{3}) + x^{6} (45 x^{2}) - 40 x^{7} + 28 x^{6}}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.72.10

Factor $x^{6}$ out of $- 40 x^{7}$ .

$\frac{x^{6} x^{10} + x^{6} (8 x^{9}) + x^{6} (12 x^{8}) + x^{6} (20 x^{7}) + x^{6} (10 x^{6}) + x^{6} (- 24 x^{5}) + x^{6} (16 x^{4}) + x^{6} (- 76 x^{3}) + x^{6} (45 x^{2}) + x^{6} (- 40 x) + 28 x^{6}}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.72.11

Factor $x^{6}$ out of $28 x^{6}$ .

$\frac{x^{6} x^{10} + x^{6} (8 x^{9}) + x^{6} (12 x^{8}) + x^{6} (20 x^{7}) + x^{6} (10 x^{6}) + x^{6} (- 24 x^{5}) + x^{6} (16 x^{4}) + x^{6} (- 76 x^{3}) + x^{6} (45 x^{2}) + x^{6} (- 40 x) + x^{6} \cdot 28}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.72.12

Factor $x^{6}$ out of $x^{6} x^{10} + x^{6} (8 x^{9})$ .

$\frac{x^{6} (x^{10} + 8 x^{9}) + x^{6} (12 x^{8}) + x^{6} (20 x^{7}) + x^{6} (10 x^{6}) + x^{6} (- 24 x^{5}) + x^{6} (16 x^{4}) + x^{6} (- 76 x^{3}) + x^{6} (45 x^{2}) + x^{6} (- 40 x) + x^{6} \cdot 28}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.72.13

Factor $x^{6}$ out of $x^{6} (x^{10} + 8 x^{9}) + x^{6} (12 x^{8})$ .

$\frac{x^{6} (x^{10} + 8 x^{9} + 12 x^{8}) + x^{6} (20 x^{7}) + x^{6} (10 x^{6}) + x^{6} (- 24 x^{5}) + x^{6} (16 x^{4}) + x^{6} (- 76 x^{3}) + x^{6} (45 x^{2}) + x^{6} (- 40 x) + x^{6} \cdot 28}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.72.14

Factor $x^{6}$ out of $x^{6} (x^{10} + 8 x^{9} + 12 x^{8}) + x^{6} (20 x^{7})$ .

$\frac{x^{6} (x^{10} + 8 x^{9} + 12 x^{8} + 20 x^{7}) + x^{6} (10 x^{6}) + x^{6} (- 24 x^{5}) + x^{6} (16 x^{4}) + x^{6} (- 76 x^{3}) + x^{6} (45 x^{2}) + x^{6} (- 40 x) + x^{6} \cdot 28}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.72.15

Factor $x^{6}$ out of $x^{6} (x^{10} + 8 x^{9} + 12 x^{8} + 20 x^{7}) + x^{6} (10 x^{6})$ .

$\frac{x^{6} (x^{10} + 8 x^{9} + 12 x^{8} + 20 x^{7} + 10 x^{6}) + x^{6} (- 24 x^{5}) + x^{6} (16 x^{4}) + x^{6} (- 76 x^{3}) + x^{6} (45 x^{2}) + x^{6} (- 40 x) + x^{6} \cdot 28}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.72.16

Factor $x^{6}$ out of $x^{6} (x^{10} + 8 x^{9} + 12 x^{8} + 20 x^{7} + 10 x^{6}) + x^{6} (- 24 x^{5})$ .

$\frac{x^{6} (x^{10} + 8 x^{9} + 12 x^{8} + 20 x^{7} + 10 x^{6} - 24 x^{5}) + x^{6} (16 x^{4}) + x^{6} (- 76 x^{3}) + x^{6} (45 x^{2}) + x^{6} (- 40 x) + x^{6} \cdot 28}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.72.17

Factor $x^{6}$ out of $x^{6} (x^{10} + 8 x^{9} + 12 x^{8} + 20 x^{7} + 10 x^{6} - 24 x^{5}) + x^{6} (16 x^{4})$ .

$\frac{x^{6} (x^{10} + 8 x^{9} + 12 x^{8} + 20 x^{7} + 10 x^{6} - 24 x^{5} + 16 x^{4}) + x^{6} (- 76 x^{3}) + x^{6} (45 x^{2}) + x^{6} (- 40 x) + x^{6} \cdot 28}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.72.18

Factor $x^{6}$ out of $x^{6} (x^{10} + 8 x^{9} + 12 x^{8} + 20 x^{7} + 10 x^{6} - 24 x^{5} + 16 x^{4}) + x^{6} (- 76 x^{3})$ .

$\frac{x^{6} (x^{10} + 8 x^{9} + 12 x^{8} + 20 x^{7} + 10 x^{6} - 24 x^{5} + 16 x^{4} - 76 x^{3}) + x^{6} (45 x^{2}) + x^{6} (- 40 x) + x^{6} \cdot 28}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.72.19

Factor $x^{6}$ out of $x^{6} (x^{10} + 8 x^{9} + 12 x^{8} + 20 x^{7} + 10 x^{6} - 24 x^{5} + 16 x^{4} - 76 x^{3}) + x^{6} (45 x^{2})$ .

$\frac{x^{6} (x^{10} + 8 x^{9} + 12 x^{8} + 20 x^{7} + 10 x^{6} - 24 x^{5} + 16 x^{4} - 76 x^{3} + 45 x^{2}) + x^{6} (- 40 x) + x^{6} \cdot 28}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.72.20

Factor $x^{6}$ out of $x^{6} (x^{10} + 8 x^{9} + 12 x^{8} + 20 x^{7} + 10 x^{6} - 24 x^{5} + 16 x^{4} - 76 x^{3} + 45 x^{2}) + x^{6} (- 40 x)$ .

$\frac{x^{6} (x^{10} + 8 x^{9} + 12 x^{8} + 20 x^{7} + 10 x^{6} - 24 x^{5} + 16 x^{4} - 76 x^{3} + 45 x^{2} - 40 x) + x^{6} \cdot 28}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.4.72.21

Factor $x^{6}$ out of $x^{6} (x^{10} + 8 x^{9} + 12 x^{8} + 20 x^{7} + 10 x^{6} - 24 x^{5} + 16 x^{4} - 76 x^{3} + 45 x^{2} - 40 x) + x^{6} \cdot 28$ .

$\frac{x^{6} (x^{10} + 8 x^{9} + 12 x^{8} + 20 x^{7} + 10 x^{6} - 24 x^{5} + 16 x^{4} - 76 x^{3} + 45 x^{2} - 40 x + 28)}{{({(x + 2)}^{2})}^{2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.5

Combine terms.

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Step 10.5.1

Multiply the exponents in ${({(x + 2)}^{2})}^{2}$ .

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Step 10.5.1.1

Apply the power rule and multiply exponents, ${(a^{m})}^{n} = a^{m n}$ .

$\frac{x^{6} (x^{10} + 8 x^{9} + 12 x^{8} + 20 x^{7} + 10 x^{6} - 24 x^{5} + 16 x^{4} - 76 x^{3} + 45 x^{2} - 40 x + 28)}{{(x + 2)}^{2 \cdot 2} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.5.1.2

Multiply $2$ by $2$ .

$\frac{x^{6} (x^{10} + 8 x^{9} + 12 x^{8} + 20 x^{7} + 10 x^{6} - 24 x^{5} + 16 x^{4} - 76 x^{3} + 45 x^{2} - 40 x + 28)}{{(x + 2)}^{4} {({(x^{2} + 1)}^{3})}^{2}}$

Step 10.5.2

Multiply the exponents in ${({(x^{2} + 1)}^{3})}^{2}$ .

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Step 10.5.2.1

Apply the power rule and multiply exponents, ${(a^{m})}^{n} = a^{m n}$ .

$\frac{x^{6} (x^{10} + 8 x^{9} + 12 x^{8} + 20 x^{7} + 10 x^{6} - 24 x^{5} + 16 x^{4} - 76 x^{3} + 45 x^{2} - 40 x + 28)}{{(x + 2)}^{4} {(x^{2} + 1)}^{3 \cdot 2}}$

Step 10.5.2.2

Multiply $3$ by $2$ .

$\frac{x^{6} (x^{10} + 8 x^{9} + 12 x^{8} + 20 x^{7} + 10 x^{6} - 24 x^{5} + 16 x^{4} - 76 x^{3} + 45 x^{2} - 40 x + 28)}{{(x + 2)}^{4} {(x^{2} + 1)}^{6}}$

Step 10.6

Reorder terms.

$\frac{x^{6} (x^{10} + 8 x^{9} + 12 x^{8} + 20 x^{7} + 10 x^{6} - 24 x^{5} + 16 x^{4} - 76 x^{3} + 45 x^{2} - 40 x + 28)}{{(x^{2} + 1)}^{6} {(x + 2)}^{4}}$