Calculus Examples

$g (y) = \frac{y + 1}{y^{2} - y - 6}$

Step 1

Find the first derivative of the function.

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Step 1.1

Differentiate using the Quotient Rule which states that $\frac{d}{d y} [\frac{f (y)}{g (y)}]$ is $\frac{g (y) \frac{d}{d y} [f (y)] - f (y) \frac{d}{d y} [g (y)]}{{g (y)}^{2}}$ where $f (y) = y + 1$ and $g (y) = y^{2} - y - 6$ .

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

Step 1.2

Differentiate.

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Step 1.2.1

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

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

Step 1.2.2

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

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

Step 1.2.3

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

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

Step 1.2.4

Simplify the expression.

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Step 1.2.4.1

Add $1$ and $0$ .

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

Step 1.2.4.2

Multiply $y^{2} - y - 6$ by $1$ .

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

Step 1.2.5

By the Sum Rule, the derivative of $y^{2} - y - 6$ with respect to $y$ is $\frac{d}{d y} [y^{2}] + \frac{d}{d y} [- y] + \frac{d}{d y} [- 6]$ .

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

Step 1.2.6

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

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

Step 1.2.7

Since $- 1$ is constant with respect to $y$ , the derivative of $- y$ with respect to $y$ is $- \frac{d}{d y} [y]$ .

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

Step 1.2.8

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

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

Step 1.2.9

Multiply $- 1$ by $1$ .

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

Step 1.2.10

Since $- 6$ is constant with respect to $y$ , the derivative of $- 6$ with respect to $y$ is $0$ .

$\frac{y^{2} - y - 6 - (y + 1) (2 y - 1 + 0)}{{(y^{2} - y - 6)}^{2}}$

Step 1.2.11

Add $2 y - 1$ and $0$ .

$\frac{y^{2} - y - 6 - (y + 1) (2 y - 1)}{{(y^{2} - y - 6)}^{2}}$

Step 1.3

Simplify.

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Step 1.3.1

Apply the distributive property.

$\frac{y^{2} - y - 6 + (- y - 1 \cdot 1) (2 y - 1)}{{(y^{2} - y - 6)}^{2}}$

Step 1.3.2

Simplify the numerator.

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Step 1.3.2.1

Simplify each term.

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Step 1.3.2.1.1

Multiply $- 1$ by $1$ .

$\frac{y^{2} - y - 6 + (- y - 1) (2 y - 1)}{{(y^{2} - y - 6)}^{2}}$

Step 1.3.2.1.2

Expand $(- y - 1) (2 y - 1)$ using the FOIL Method.

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Step 1.3.2.1.2.1

Apply the distributive property.

$\frac{y^{2} - y - 6 - y (2 y - 1) - 1 (2 y - 1)}{{(y^{2} - y - 6)}^{2}}$

Step 1.3.2.1.2.2

Apply the distributive property.

$\frac{y^{2} - y - 6 - y (2 y) - y \cdot - 1 - 1 (2 y - 1)}{{(y^{2} - y - 6)}^{2}}$

Step 1.3.2.1.2.3

Apply the distributive property.

$\frac{y^{2} - y - 6 - y (2 y) - y \cdot - 1 - 1 (2 y) - 1 \cdot - 1}{{(y^{2} - y - 6)}^{2}}$

Step 1.3.2.1.3

Simplify and combine like terms.

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Step 1.3.2.1.3.1

Simplify each term.

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Step 1.3.2.1.3.1.1

Rewrite using the commutative property of multiplication.

$\frac{y^{2} - y - 6 - 1 \cdot 2 y \cdot y - y \cdot - 1 - 1 (2 y) - 1 \cdot - 1}{{(y^{2} - y - 6)}^{2}}$

Step 1.3.2.1.3.1.2

Multiply $y$ by $y$ by adding the exponents.

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Step 1.3.2.1.3.1.2.1

Move $y$ .

$\frac{y^{2} - y - 6 - 1 \cdot 2 (y \cdot y) - y \cdot - 1 - 1 (2 y) - 1 \cdot - 1}{{(y^{2} - y - 6)}^{2}}$

Step 1.3.2.1.3.1.2.2

Multiply $y$ by $y$ .

$\frac{y^{2} - y - 6 - 1 \cdot 2 y^{2} - y \cdot - 1 - 1 (2 y) - 1 \cdot - 1}{{(y^{2} - y - 6)}^{2}}$

Step 1.3.2.1.3.1.3

Multiply $- 1$ by $2$ .

$\frac{y^{2} - y - 6 - 2 y^{2} - y \cdot - 1 - 1 (2 y) - 1 \cdot - 1}{{(y^{2} - y - 6)}^{2}}$

Step 1.3.2.1.3.1.4

Multiply $- y \cdot - 1$ .

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Step 1.3.2.1.3.1.4.1

Multiply $- 1$ by $- 1$ .

$\frac{y^{2} - y - 6 - 2 y^{2} + 1 y - 1 (2 y) - 1 \cdot - 1}{{(y^{2} - y - 6)}^{2}}$

Step 1.3.2.1.3.1.4.2

Multiply $y$ by $1$ .

$\frac{y^{2} - y - 6 - 2 y^{2} + y - 1 (2 y) - 1 \cdot - 1}{{(y^{2} - y - 6)}^{2}}$

Step 1.3.2.1.3.1.5

Multiply $2$ by $- 1$ .

$\frac{y^{2} - y - 6 - 2 y^{2} + y - 2 y - 1 \cdot - 1}{{(y^{2} - y - 6)}^{2}}$

Step 1.3.2.1.3.1.6

Multiply $- 1$ by $- 1$ .

$\frac{y^{2} - y - 6 - 2 y^{2} + y - 2 y + 1}{{(y^{2} - y - 6)}^{2}}$

Step 1.3.2.1.3.2

Subtract $2 y$ from $y$ .

$\frac{y^{2} - y - 6 - 2 y^{2} - y + 1}{{(y^{2} - y - 6)}^{2}}$

Step 1.3.2.2

Subtract $2 y^{2}$ from $y^{2}$ .

$\frac{- y^{2} - y - 6 - y + 1}{{(y^{2} - y - 6)}^{2}}$

Step 1.3.2.3

Subtract $y$ from $- y$ .

$\frac{- y^{2} - 2 y - 6 + 1}{{(y^{2} - y - 6)}^{2}}$

Step 1.3.2.4

Add $- 6$ and $1$ .

$\frac{- y^{2} - 2 y - 5}{{(y^{2} - y - 6)}^{2}}$

Step 1.3.3

Simplify the denominator.

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Step 1.3.3.1

Factor $y^{2} - y - 6$ using the AC method.

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Step 1.3.3.1.1

Consider the form $x^{2} + b x + c$ . Find a pair of integers whose product is $c$ and whose sum is $b$ . In this case, whose product is $- 6$ and whose sum is $- 1$ .

$- 3, 2$

Step 1.3.3.1.2

Write the factored form using these integers.

$\frac{- y^{2} - 2 y - 5}{{((y - 3) (y + 2))}^{2}}$

Step 1.3.3.2

Apply the product rule to $(y - 3) (y + 2)$ .

$\frac{- y^{2} - 2 y - 5}{{(y - 3)}^{2} {(y + 2)}^{2}}$

Step 1.3.4

Factor $- 1$ out of $- y^{2}$ .

$\frac{- (y^{2}) - 2 y - 5}{{(y - 3)}^{2} {(y + 2)}^{2}}$

Step 1.3.5

Factor $- 1$ out of $- 2 y$ .

$\frac{- (y^{2}) - (2 y) - 5}{{(y - 3)}^{2} {(y + 2)}^{2}}$

Step 1.3.6

Factor $- 1$ out of $- (y^{2}) - (2 y)$ .

$\frac{- (y^{2} + 2 y) - 5}{{(y - 3)}^{2} {(y + 2)}^{2}}$

Step 1.3.7

Rewrite $- 5$ as $- 1 (5)$ .

$\frac{- (y^{2} + 2 y) - 1 (5)}{{(y - 3)}^{2} {(y + 2)}^{2}}$

Step 1.3.8

Factor $- 1$ out of $- (y^{2} + 2 y) - 1 (5)$ .

$\frac{- (y^{2} + 2 y + 5)}{{(y - 3)}^{2} {(y + 2)}^{2}}$

Step 1.3.9

Rewrite $- (y^{2} + 2 y + 5)$ as $- 1 (y^{2} + 2 y + 5)$ .

$\frac{- 1 (y^{2} + 2 y + 5)}{{(y - 3)}^{2} {(y + 2)}^{2}}$

Step 1.3.10

Move the negative in front of the fraction.

$- \frac{y^{2} + 2 y + 5}{{(y - 3)}^{2} {(y + 2)}^{2}}$

Step 2

Find the second derivative of the function.

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Step 2.1

Differentiate using the Product Rule which states that $\frac{d}{d y} [f (y) g (y)]$ is $f (y) \frac{d}{d y} [g (y)] + g (y) \frac{d}{d y} [f (y)]$ where $f (y) = - 1$ and $g (y) = \frac{y^{2} + 2 y + 5}{{(y - 3)}^{2} {(y + 2)}^{2}}$ .

$g'' (y) = - \frac{d}{d y} \cdot \frac{y^{2} + 2 y + 5}{{(y - 3)}^{2} {(y + 2)}^{2}} + \frac{y^{2} + 2 y + 5}{{(y - 3)}^{2} {(y + 2)}^{2}} \cdot \frac{d}{d y} (- 1)$

Step 2.2

$g'' (y) = - \frac{{(y - 3)}^{2} {(y + 2)}^{2} \frac{d}{d y} (y^{2} + 2 y + 5) - (y^{2} + 2 y + 5) \frac{d}{d y} ({(y - 3)}^{2} {(y + 2)}^{2})}{{({(y - 3)}^{2} {(y + 2)}^{2})}^{2}} + \frac{y^{2} + 2 y + 5}{{(y - 3)}^{2} {(y + 2)}^{2}} \cdot \frac{d}{d y} (- 1)$

Step 2.3

Differentiate.

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Step 2.3.1

By the Sum Rule, the derivative of $y^{2} + 2 y + 5$ with respect to $y$ is $\frac{d}{d y} [y^{2}] + \frac{d}{d y} [2 y] + \frac{d}{d y} [5]$ .

$g'' (y) = - \frac{{(y - 3)}^{2} {(y + 2)}^{2} (\frac{d}{d y} (y^{2}) + \frac{d}{d y} (2 y) + \frac{d}{d y} (5)) - (y^{2} + 2 y + 5) \frac{d}{d y} ({(y - 3)}^{2} {(y + 2)}^{2})}{{({(y - 3)}^{2} {(y + 2)}^{2})}^{2}} + \frac{y^{2} + 2 y + 5}{{(y - 3)}^{2} {(y + 2)}^{2}} \cdot \frac{d}{d y} (- 1)$

Step 2.3.2

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

$g'' (y) = - \frac{{(y - 3)}^{2} {(y + 2)}^{2} (2 y + \frac{d}{d y} (2 y) + \frac{d}{d y} (5)) - (y^{2} + 2 y + 5) \frac{d}{d y} ({(y - 3)}^{2} {(y + 2)}^{2})}{{({(y - 3)}^{2} {(y + 2)}^{2})}^{2}} + \frac{y^{2} + 2 y + 5}{{(y - 3)}^{2} {(y + 2)}^{2}} \cdot \frac{d}{d y} (- 1)$

Step 2.3.3

Since $2$ is constant with respect to $y$ , the derivative of $2 y$ with respect to $y$ is $2 \frac{d}{d y} [y]$ .

$g'' (y) = - \frac{{(y - 3)}^{2} {(y + 2)}^{2} (2 y + 2 \frac{d}{d y} (y) + \frac{d}{d y} (5)) - (y^{2} + 2 y + 5) \frac{d}{d y} ({(y - 3)}^{2} {(y + 2)}^{2})}{{({(y - 3)}^{2} {(y + 2)}^{2})}^{2}} + \frac{y^{2} + 2 y + 5}{{(y - 3)}^{2} {(y + 2)}^{2}} \cdot \frac{d}{d y} (- 1)$

Step 2.3.4

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

$g'' (y) = - \frac{{(y - 3)}^{2} {(y + 2)}^{2} (2 y + 2 \cdot 1 + \frac{d}{d y} (5)) - (y^{2} + 2 y + 5) \frac{d}{d y} ({(y - 3)}^{2} {(y + 2)}^{2})}{{({(y - 3)}^{2} {(y + 2)}^{2})}^{2}} + \frac{y^{2} + 2 y + 5}{{(y - 3)}^{2} {(y + 2)}^{2}} \cdot \frac{d}{d y} (- 1)$

Step 2.3.5

Multiply $2$ by $1$ .

$g'' (y) = - \frac{{(y - 3)}^{2} {(y + 2)}^{2} (2 y + 2 + \frac{d}{d y} (5)) - (y^{2} + 2 y + 5) \frac{d}{d y} ({(y - 3)}^{2} {(y + 2)}^{2})}{{({(y - 3)}^{2} {(y + 2)}^{2})}^{2}} + \frac{y^{2} + 2 y + 5}{{(y - 3)}^{2} {(y + 2)}^{2}} \cdot \frac{d}{d y} (- 1)$

Step 2.3.6

Since $5$ is constant with respect to $y$ , the derivative of $5$ with respect to $y$ is $0$ .

$g'' (y) = - \frac{{(y - 3)}^{2} {(y + 2)}^{2} (2 y + 2 + 0) - (y^{2} + 2 y + 5) \frac{d}{d y} ({(y - 3)}^{2} {(y + 2)}^{2})}{{({(y - 3)}^{2} {(y + 2)}^{2})}^{2}} + \frac{y^{2} + 2 y + 5}{{(y - 3)}^{2} {(y + 2)}^{2}} \cdot \frac{d}{d y} (- 1)$

Step 2.3.7

Add $2 y + 2$ and $0$ .

$g'' (y) = - \frac{{(y - 3)}^{2} {(y + 2)}^{2} (2 y + 2) - (y^{2} + 2 y + 5) \frac{d}{d y} ({(y - 3)}^{2} {(y + 2)}^{2})}{{({(y - 3)}^{2} {(y + 2)}^{2})}^{2}} + \frac{y^{2} + 2 y + 5}{{(y - 3)}^{2} {(y + 2)}^{2}} \cdot \frac{d}{d y} (- 1)$

Step 2.4

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

$g'' (y) = - \frac{{(y - 3)}^{2} {(y + 2)}^{2} (2 y + 2) - (y^{2} + 2 y + 5) ({(y - 3)}^{2} \frac{d}{d y} ({(y + 2)}^{2}) + {(y + 2)}^{2} \frac{d}{d y} ({(y - 3)}^{2}))}{{({(y - 3)}^{2} {(y + 2)}^{2})}^{2}} + \frac{y^{2} + 2 y + 5}{{(y - 3)}^{2} {(y + 2)}^{2}} \cdot \frac{d}{d y} (- 1)$

Step 2.5

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

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Step 2.5.1

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

$g'' (y) = - \frac{{(y - 3)}^{2} {(y + 2)}^{2} (2 y + 2) - (y^{2} + 2 y + 5) ({(y - 3)}^{2} (\frac{d}{d u (1)} ({u_{1}}^{2}) \frac{d}{d y} (y + 2)) + {(y + 2)}^{2} \frac{d}{d y} ({(y - 3)}^{2}))}{{({(y - 3)}^{2} {(y + 2)}^{2})}^{2}} + \frac{y^{2} + 2 y + 5}{{(y - 3)}^{2} {(y + 2)}^{2}} \cdot \frac{d}{d y} (- 1)$

Step 2.5.2

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

$g'' (y) = - \frac{{(y - 3)}^{2} {(y + 2)}^{2} (2 y + 2) - (y^{2} + 2 y + 5) ({(y - 3)}^{2} (2 u_{1} \frac{d}{d y} (y + 2)) + {(y + 2)}^{2} \frac{d}{d y} ({(y - 3)}^{2}))}{{({(y - 3)}^{2} {(y + 2)}^{2})}^{2}} + \frac{y^{2} + 2 y + 5}{{(y - 3)}^{2} {(y + 2)}^{2}} \cdot \frac{d}{d y} (- 1)$

Step 2.5.3

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

$g'' (y) = - \frac{{(y - 3)}^{2} {(y + 2)}^{2} (2 y + 2) - (y^{2} + 2 y + 5) ({(y - 3)}^{2} (2 (y + 2) \frac{d}{d y} (y + 2)) + {(y + 2)}^{2} \frac{d}{d y} ({(y - 3)}^{2}))}{{({(y - 3)}^{2} {(y + 2)}^{2})}^{2}} + \frac{y^{2} + 2 y + 5}{{(y - 3)}^{2} {(y + 2)}^{2}} \cdot \frac{d}{d y} (- 1)$

Step 2.6

Differentiate.

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Step 2.6.1

Move $2$ to the left of ${(y - 3)}^{2}$ .

$g'' (y) = - \frac{{(y - 3)}^{2} {(y + 2)}^{2} (2 y + 2) - (y^{2} + 2 y + 5) (2 \cdot ({(y - 3)}^{2} (y + 2)) \frac{d}{d y} (y + 2) + {(y + 2)}^{2} \frac{d}{d y} ({(y - 3)}^{2}))}{{({(y - 3)}^{2} {(y + 2)}^{2})}^{2}} + \frac{y^{2} + 2 y + 5}{{(y - 3)}^{2} {(y + 2)}^{2}} \cdot \frac{d}{d y} (- 1)$

Step 2.6.2

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

$g'' (y) = - \frac{{(y - 3)}^{2} {(y + 2)}^{2} (2 y + 2) - (y^{2} + 2 y + 5) (2 {(y - 3)}^{2} (y + 2) (\frac{d}{d y} (y) + \frac{d}{d y} (2)) + {(y + 2)}^{2} \frac{d}{d y} ({(y - 3)}^{2}))}{{({(y - 3)}^{2} {(y + 2)}^{2})}^{2}} + \frac{y^{2} + 2 y + 5}{{(y - 3)}^{2} {(y + 2)}^{2}} \cdot \frac{d}{d y} (- 1)$

Step 2.6.3

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

$g'' (y) = - \frac{{(y - 3)}^{2} {(y + 2)}^{2} (2 y + 2) - (y^{2} + 2 y + 5) (2 {(y - 3)}^{2} (y + 2) (1 + \frac{d}{d y} (2)) + {(y + 2)}^{2} \frac{d}{d y} ({(y - 3)}^{2}))}{{({(y - 3)}^{2} {(y + 2)}^{2})}^{2}} + \frac{y^{2} + 2 y + 5}{{(y - 3)}^{2} {(y + 2)}^{2}} \cdot \frac{d}{d y} (- 1)$

Step 2.6.4

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

$g'' (y) = - \frac{{(y - 3)}^{2} {(y + 2)}^{2} (2 y + 2) - (y^{2} + 2 y + 5) (2 {(y - 3)}^{2} (y + 2) (1 + 0) + {(y + 2)}^{2} \frac{d}{d y} ({(y - 3)}^{2}))}{{({(y - 3)}^{2} {(y + 2)}^{2})}^{2}} + \frac{y^{2} + 2 y + 5}{{(y - 3)}^{2} {(y + 2)}^{2}} \cdot \frac{d}{d y} (- 1)$

Step 2.6.5

Simplify the expression.

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Step 2.6.5.1

Add $1$ and $0$ .

$g'' (y) = - \frac{{(y - 3)}^{2} {(y + 2)}^{2} (2 y + 2) - (y^{2} + 2 y + 5) (2 {(y - 3)}^{2} (y + 2) \cdot 1 + {(y + 2)}^{2} \frac{d}{d y} ({(y - 3)}^{2}))}{{({(y - 3)}^{2} {(y + 2)}^{2})}^{2}} + \frac{y^{2} + 2 y + 5}{{(y - 3)}^{2} {(y + 2)}^{2}} \cdot \frac{d}{d y} (- 1)$

Step 2.6.5.2

Multiply $2$ by $1$ .

$g'' (y) = - \frac{{(y - 3)}^{2} {(y + 2)}^{2} (2 y + 2) - (y^{2} + 2 y + 5) (2 {(y - 3)}^{2} (y + 2) + {(y + 2)}^{2} \frac{d}{d y} ({(y - 3)}^{2}))}{{({(y - 3)}^{2} {(y + 2)}^{2})}^{2}} + \frac{y^{2} + 2 y + 5}{{(y - 3)}^{2} {(y + 2)}^{2}} \cdot \frac{d}{d y} (- 1)$

Step 2.7

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

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Step 2.7.1

To apply the Chain Rule, set $u_{2}$ as $y - 3$ .

$g'' (y) = - \frac{{(y - 3)}^{2} {(y + 2)}^{2} (2 y + 2) - (y^{2} + 2 y + 5) (2 {(y - 3)}^{2} (y + 2) + {(y + 2)}^{2} (\frac{d}{d u (2)} ({u_{2}}^{2}) \frac{d}{d y} (y - 3)))}{{({(y - 3)}^{2} {(y + 2)}^{2})}^{2}} + \frac{y^{2} + 2 y + 5}{{(y - 3)}^{2} {(y + 2)}^{2}} \cdot \frac{d}{d y} (- 1)$

Step 2.7.2

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

$g'' (y) = - \frac{{(y - 3)}^{2} {(y + 2)}^{2} (2 y + 2) - (y^{2} + 2 y + 5) (2 {(y - 3)}^{2} (y + 2) + {(y + 2)}^{2} (2 u_{2} \frac{d}{d y} (y - 3)))}{{({(y - 3)}^{2} {(y + 2)}^{2})}^{2}} + \frac{y^{2} + 2 y + 5}{{(y - 3)}^{2} {(y + 2)}^{2}} \cdot \frac{d}{d y} (- 1)$

Step 2.7.3

Replace all occurrences of $u_{2}$ with $y - 3$ .

$g'' (y) = - \frac{{(y - 3)}^{2} {(y + 2)}^{2} (2 y + 2) - (y^{2} + 2 y + 5) (2 {(y - 3)}^{2} (y + 2) + {(y + 2)}^{2} (2 (y - 3) \frac{d}{d y} (y - 3)))}{{({(y - 3)}^{2} {(y + 2)}^{2})}^{2}} + \frac{y^{2} + 2 y + 5}{{(y - 3)}^{2} {(y + 2)}^{2}} \cdot \frac{d}{d y} (- 1)$

Step 2.8

Differentiate.

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Step 2.8.1

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

$g'' (y) = - \frac{{(y - 3)}^{2} {(y + 2)}^{2} (2 y + 2) - (y^{2} + 2 y + 5) (2 {(y - 3)}^{2} (y + 2) + 2 \cdot ({(y + 2)}^{2} (y - 3)) \frac{d}{d y} (y - 3))}{{({(y - 3)}^{2} {(y + 2)}^{2})}^{2}} + \frac{y^{2} + 2 y + 5}{{(y - 3)}^{2} {(y + 2)}^{2}} \cdot \frac{d}{d y} (- 1)$

Step 2.8.2

By the Sum Rule, the derivative of $y - 3$ with respect to $y$ is $\frac{d}{d y} [y] + \frac{d}{d y} [- 3]$ .

$g'' (y) = - \frac{{(y - 3)}^{2} {(y + 2)}^{2} (2 y + 2) - (y^{2} + 2 y + 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3) (\frac{d}{d y} (y) + \frac{d}{d y} (- 3)))}{{({(y - 3)}^{2} {(y + 2)}^{2})}^{2}} + \frac{y^{2} + 2 y + 5}{{(y - 3)}^{2} {(y + 2)}^{2}} \cdot \frac{d}{d y} (- 1)$

Step 2.8.3

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

$g'' (y) = - \frac{{(y - 3)}^{2} {(y + 2)}^{2} (2 y + 2) - (y^{2} + 2 y + 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3) (1 + \frac{d}{d y} (- 3)))}{{({(y - 3)}^{2} {(y + 2)}^{2})}^{2}} + \frac{y^{2} + 2 y + 5}{{(y - 3)}^{2} {(y + 2)}^{2}} \cdot \frac{d}{d y} (- 1)$

Step 2.8.4

Since $- 3$ is constant with respect to $y$ , the derivative of $- 3$ with respect to $y$ is $0$ .

$g'' (y) = - \frac{{(y - 3)}^{2} {(y + 2)}^{2} (2 y + 2) - (y^{2} + 2 y + 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3) (1 + 0))}{{({(y - 3)}^{2} {(y + 2)}^{2})}^{2}} + \frac{y^{2} + 2 y + 5}{{(y - 3)}^{2} {(y + 2)}^{2}} \cdot \frac{d}{d y} (- 1)$

Step 2.8.5

Simplify the expression.

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Step 2.8.5.1

Add $1$ and $0$ .

$g'' (y) = - \frac{{(y - 3)}^{2} {(y + 2)}^{2} (2 y + 2) - (y^{2} + 2 y + 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3) \cdot 1)}{{({(y - 3)}^{2} {(y + 2)}^{2})}^{2}} + \frac{y^{2} + 2 y + 5}{{(y - 3)}^{2} {(y + 2)}^{2}} \cdot \frac{d}{d y} (- 1)$

Step 2.8.5.2

Multiply $2$ by $1$ .

$g'' (y) = - \frac{{(y - 3)}^{2} {(y + 2)}^{2} (2 y + 2) - (y^{2} + 2 y + 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2} {(y + 2)}^{2})}^{2}} + \frac{y^{2} + 2 y + 5}{{(y - 3)}^{2} {(y + 2)}^{2}} \cdot \frac{d}{d y} (- 1)$

Step 2.8.6

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

Step 2.8.7

Simplify the expression.

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Step 2.8.7.1

Multiply $\frac{y^{2} + 2 y + 5}{{(y - 3)}^{2} {(y + 2)}^{2}}$ by $0$ .

$g'' (y) = - \frac{{(y - 3)}^{2} {(y + 2)}^{2} (2 y + 2) - (y^{2} + 2 y + 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2} {(y + 2)}^{2})}^{2}} + 0$

Step 2.8.7.2

Add $- \frac{{(y - 3)}^{2} {(y + 2)}^{2} (2 y + 2) - (y^{2} + 2 y + 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2} {(y + 2)}^{2})}^{2}}$ and $0$ .

$g'' (y) = - \frac{{(y - 3)}^{2} {(y + 2)}^{2} (2 y + 2) - (y^{2} + 2 y + 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2} {(y + 2)}^{2})}^{2}}$

Step 2.9

Simplify.

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Step 2.9.1

Apply the product rule to ${(y - 3)}^{2} {(y + 2)}^{2}$ .

$g'' (y) = - \frac{{(y - 3)}^{2} {(y + 2)}^{2} (2 y + 2) - (y^{2} + 2 y + 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.2

Apply the distributive property.

$g'' (y) = - \frac{{(y - 3)}^{2} {(y + 2)}^{2} (2 y + 2) + (- y^{2} - (2 y) - 1 \cdot 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3

Simplify the numerator.

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Step 2.9.3.1

Rewrite ${(y - 3)}^{2}$ as $(y - 3) (y - 3)$ .

$g'' (y) = - \frac{(y - 3) (y - 3) {(y + 2)}^{2} (2 y + 2) + (- y^{2} - (2 y) - 1 \cdot 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.2

Expand $(y - 3) (y - 3)$ using the FOIL Method.

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Step 2.9.3.2.1

Apply the distributive property.

$g'' (y) = - \frac{(y (y - 3) - 3 (y - 3)) {(y + 2)}^{2} (2 y + 2) + (- y^{2} - (2 y) - 1 \cdot 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.2.2

Apply the distributive property.

$g'' (y) = - \frac{(y \cdot y + y \cdot - 3 - 3 (y - 3)) {(y + 2)}^{2} (2 y + 2) + (- y^{2} - (2 y) - 1 \cdot 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.2.3

Apply the distributive property.

$g'' (y) = - \frac{(y \cdot y + y \cdot - 3 - 3 y - 3 \cdot - 3) {(y + 2)}^{2} (2 y + 2) + (- y^{2} - (2 y) - 1 \cdot 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.3

Simplify and combine like terms.

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Step 2.9.3.3.1

Simplify each term.

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Step 2.9.3.3.1.1

Multiply $y$ by $y$ .

$g'' (y) = - \frac{(y^{2} + y \cdot - 3 - 3 y - 3 \cdot - 3) {(y + 2)}^{2} (2 y + 2) + (- y^{2} - (2 y) - 1 \cdot 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.3.1.2

Move $- 3$ to the left of $y$ .

$g'' (y) = - \frac{(y^{2} - 3 \cdot y - 3 y - 3 \cdot - 3) {(y + 2)}^{2} (2 y + 2) + (- y^{2} - (2 y) - 1 \cdot 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.3.1.3

Multiply $- 3$ by $- 3$ .

$g'' (y) = - \frac{(y^{2} - 3 y - 3 y + 9) {(y + 2)}^{2} (2 y + 2) + (- y^{2} - (2 y) - 1 \cdot 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.3.2

Subtract $3 y$ from $- 3 y$ .

$g'' (y) = - \frac{(y^{2} - 6 y + 9) {(y + 2)}^{2} (2 y + 2) + (- y^{2} - (2 y) - 1 \cdot 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.4

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

$g'' (y) = - \frac{(y^{2} - 6 y + 9) ((y + 2) (y + 2)) (2 y + 2) + (- y^{2} - (2 y) - 1 \cdot 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.5

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

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Step 2.9.3.5.1

Apply the distributive property.

$g'' (y) = - \frac{(y^{2} - 6 y + 9) (y (y + 2) + 2 (y + 2)) (2 y + 2) + (- y^{2} - (2 y) - 1 \cdot 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.5.2

Apply the distributive property.

$g'' (y) = - \frac{(y^{2} - 6 y + 9) (y \cdot y + y \cdot 2 + 2 (y + 2)) (2 y + 2) + (- y^{2} - (2 y) - 1 \cdot 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.5.3

Apply the distributive property.

$g'' (y) = - \frac{(y^{2} - 6 y + 9) (y \cdot y + y \cdot 2 + 2 y + 2 \cdot 2) (2 y + 2) + (- y^{2} - (2 y) - 1 \cdot 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.6

Simplify and combine like terms.

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Step 2.9.3.6.1

Simplify each term.

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Step 2.9.3.6.1.1

Multiply $y$ by $y$ .

$g'' (y) = - \frac{(y^{2} - 6 y + 9) (y^{2} + y \cdot 2 + 2 y + 2 \cdot 2) (2 y + 2) + (- y^{2} - (2 y) - 1 \cdot 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.6.1.2

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

$g'' (y) = - \frac{(y^{2} - 6 y + 9) (y^{2} + 2 \cdot y + 2 y + 2 \cdot 2) (2 y + 2) + (- y^{2} - (2 y) - 1 \cdot 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.6.1.3

Multiply $2$ by $2$ .

$g'' (y) = - \frac{(y^{2} - 6 y + 9) (y^{2} + 2 y + 2 y + 4) (2 y + 2) + (- y^{2} - (2 y) - 1 \cdot 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.6.2

Add $2 y$ and $2 y$ .

$g'' (y) = - \frac{(y^{2} - 6 y + 9) (y^{2} + 4 y + 4) (2 y + 2) + (- y^{2} - (2 y) - 1 \cdot 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.7

Expand $(y^{2} - 6 y + 9) (y^{2} + 4 y + 4)$ by multiplying each term in the first expression by each term in the second expression.

$g'' (y) = - \frac{(y^{2} y^{2} + y^{2} (4 y) + y^{2} \cdot 4 - 6 y \cdot y^{2} - 6 y (4 y) - 6 y \cdot 4 + 9 y^{2} + 9 (4 y) + 9 \cdot 4) (2 y + 2) + (- y^{2} - (2 y) - 1 \cdot 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.8

Simplify each term.

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Step 2.9.3.8.1

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

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Step 2.9.3.8.1.1

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

$g'' (y) = - \frac{(y^{2 + 2} + y^{2} (4 y) + y^{2} \cdot 4 - 6 y \cdot y^{2} - 6 y (4 y) - 6 y \cdot 4 + 9 y^{2} + 9 (4 y) + 9 \cdot 4) (2 y + 2) + (- y^{2} - (2 y) - 1 \cdot 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.8.1.2

Add $2$ and $2$ .

$g'' (y) = - \frac{(y^{4} + y^{2} (4 y) + y^{2} \cdot 4 - 6 y \cdot y^{2} - 6 y (4 y) - 6 y \cdot 4 + 9 y^{2} + 9 (4 y) + 9 \cdot 4) (2 y + 2) + (- y^{2} - (2 y) - 1 \cdot 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.8.2

Rewrite using the commutative property of multiplication.

$g'' (y) = - \frac{(y^{4} + 4 y^{2} y + y^{2} \cdot 4 - 6 y \cdot y^{2} - 6 y (4 y) - 6 y \cdot 4 + 9 y^{2} + 9 (4 y) + 9 \cdot 4) (2 y + 2) + (- y^{2} - (2 y) - 1 \cdot 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.8.3

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

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Step 2.9.3.8.3.1

Move $y$ .

$g'' (y) = - \frac{(y^{4} + 4 (y \cdot y^{2}) + y^{2} \cdot 4 - 6 y \cdot y^{2} - 6 y (4 y) - 6 y \cdot 4 + 9 y^{2} + 9 (4 y) + 9 \cdot 4) (2 y + 2) + (- y^{2} - (2 y) - 1 \cdot 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.8.3.2

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

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Step 2.9.3.8.3.2.1

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

Step 2.9.3.8.3.2.2

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

$g'' (y) = - \frac{(y^{4} + 4 y^{1 + 2} + y^{2} \cdot 4 - 6 y \cdot y^{2} - 6 y (4 y) - 6 y \cdot 4 + 9 y^{2} + 9 (4 y) + 9 \cdot 4) (2 y + 2) + (- y^{2} - (2 y) - 1 \cdot 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.8.3.3

Add $1$ and $2$ .

$g'' (y) = - \frac{(y^{4} + 4 y^{3} + y^{2} \cdot 4 - 6 y \cdot y^{2} - 6 y (4 y) - 6 y \cdot 4 + 9 y^{2} + 9 (4 y) + 9 \cdot 4) (2 y + 2) + (- y^{2} - (2 y) - 1 \cdot 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.8.4

Move $4$ to the left of $y^{2}$ .

$g'' (y) = - \frac{(y^{4} + 4 y^{3} + 4 \cdot y^{2} - 6 y \cdot y^{2} - 6 y (4 y) - 6 y \cdot 4 + 9 y^{2} + 9 (4 y) + 9 \cdot 4) (2 y + 2) + (- y^{2} - (2 y) - 1 \cdot 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.8.5

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

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Step 2.9.3.8.5.1

Move $y^{2}$ .

$g'' (y) = - \frac{(y^{4} + 4 y^{3} + 4 y^{2} - 6 (y^{2} y) - 6 y (4 y) - 6 y \cdot 4 + 9 y^{2} + 9 (4 y) + 9 \cdot 4) (2 y + 2) + (- y^{2} - (2 y) - 1 \cdot 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.8.5.2

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

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Step 2.9.3.8.5.2.1

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

Step 2.9.3.8.5.2.2

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

$g'' (y) = - \frac{(y^{4} + 4 y^{3} + 4 y^{2} - 6 y^{2 + 1} - 6 y (4 y) - 6 y \cdot 4 + 9 y^{2} + 9 (4 y) + 9 \cdot 4) (2 y + 2) + (- y^{2} - (2 y) - 1 \cdot 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.8.5.3

Add $2$ and $1$ .

$g'' (y) = - \frac{(y^{4} + 4 y^{3} + 4 y^{2} - 6 y^{3} - 6 y (4 y) - 6 y \cdot 4 + 9 y^{2} + 9 (4 y) + 9 \cdot 4) (2 y + 2) + (- y^{2} - (2 y) - 1 \cdot 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.8.6

Rewrite using the commutative property of multiplication.

$g'' (y) = - \frac{(y^{4} + 4 y^{3} + 4 y^{2} - 6 y^{3} - 6 \cdot (4 y \cdot y) - 6 y \cdot 4 + 9 y^{2} + 9 (4 y) + 9 \cdot 4) (2 y + 2) + (- y^{2} - (2 y) - 1 \cdot 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.8.7

Multiply $y$ by $y$ by adding the exponents.

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Step 2.9.3.8.7.1

Move $y$ .

$g'' (y) = - \frac{(y^{4} + 4 y^{3} + 4 y^{2} - 6 y^{3} - 6 \cdot (4 (y \cdot y)) - 6 y \cdot 4 + 9 y^{2} + 9 (4 y) + 9 \cdot 4) (2 y + 2) + (- y^{2} - (2 y) - 1 \cdot 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.8.7.2

Multiply $y$ by $y$ .

$g'' (y) = - \frac{(y^{4} + 4 y^{3} + 4 y^{2} - 6 y^{3} - 6 \cdot (4 y^{2}) - 6 y \cdot 4 + 9 y^{2} + 9 (4 y) + 9 \cdot 4) (2 y + 2) + (- y^{2} - (2 y) - 1 \cdot 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.8.8

Multiply $- 6$ by $4$ .

$g'' (y) = - \frac{(y^{4} + 4 y^{3} + 4 y^{2} - 6 y^{3} - 24 y^{2} - 6 y \cdot 4 + 9 y^{2} + 9 (4 y) + 9 \cdot 4) (2 y + 2) + (- y^{2} - (2 y) - 1 \cdot 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.8.9

Multiply $4$ by $- 6$ .

$g'' (y) = - \frac{(y^{4} + 4 y^{3} + 4 y^{2} - 6 y^{3} - 24 y^{2} - 24 y + 9 y^{2} + 9 (4 y) + 9 \cdot 4) (2 y + 2) + (- y^{2} - (2 y) - 1 \cdot 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.8.10

Multiply $4$ by $9$ .

$g'' (y) = - \frac{(y^{4} + 4 y^{3} + 4 y^{2} - 6 y^{3} - 24 y^{2} - 24 y + 9 y^{2} + 36 y + 9 \cdot 4) (2 y + 2) + (- y^{2} - (2 y) - 1 \cdot 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.8.11

Multiply $9$ by $4$ .

$g'' (y) = - \frac{(y^{4} + 4 y^{3} + 4 y^{2} - 6 y^{3} - 24 y^{2} - 24 y + 9 y^{2} + 36 y + 36) (2 y + 2) + (- y^{2} - (2 y) - 1 \cdot 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.9

Subtract $6 y^{3}$ from $4 y^{3}$ .

$g'' (y) = - \frac{(y^{4} - 2 y^{3} + 4 y^{2} - 24 y^{2} - 24 y + 9 y^{2} + 36 y + 36) (2 y + 2) + (- y^{2} - (2 y) - 1 \cdot 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.10

Subtract $24 y^{2}$ from $4 y^{2}$ .

$g'' (y) = - \frac{(y^{4} - 2 y^{3} - 20 y^{2} - 24 y + 9 y^{2} + 36 y + 36) (2 y + 2) + (- y^{2} - (2 y) - 1 \cdot 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.11

Add $- 20 y^{2}$ and $9 y^{2}$ .

$g'' (y) = - \frac{(y^{4} - 2 y^{3} - 11 y^{2} - 24 y + 36 y + 36) (2 y + 2) + (- y^{2} - (2 y) - 1 \cdot 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.12

Add $- 24 y$ and $36 y$ .

$g'' (y) = - \frac{(y^{4} - 2 y^{3} - 11 y^{2} + 12 y + 36) (2 y + 2) + (- y^{2} - (2 y) - 1 \cdot 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.13

Expand $(y^{4} - 2 y^{3} - 11 y^{2} + 12 y + 36) (2 y + 2)$ by multiplying each term in the first expression by each term in the second expression.

$g'' (y) = - \frac{y^{4} (2 y) + y^{4} \cdot 2 - 2 y^{3} (2 y) - 2 y^{3} \cdot 2 - 11 y^{2} (2 y) - 11 y^{2} \cdot 2 + 12 y (2 y) + 12 y \cdot 2 + 36 (2 y) + 36 \cdot 2 + (- y^{2} - (2 y) - 1 \cdot 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.14

Simplify each term.

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Step 2.9.3.14.1

Rewrite using the commutative property of multiplication.

$g'' (y) = - \frac{2 y^{4} y + y^{4} \cdot 2 - 2 y^{3} (2 y) - 2 y^{3} \cdot 2 - 11 y^{2} (2 y) - 11 y^{2} \cdot 2 + 12 y (2 y) + 12 y \cdot 2 + 36 (2 y) + 36 \cdot 2 + (- y^{2} - (2 y) - 1 \cdot 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.14.2

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

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Step 2.9.3.14.2.1

Move $y$ .

$g'' (y) = - \frac{2 (y \cdot y^{4}) + y^{4} \cdot 2 - 2 y^{3} (2 y) - 2 y^{3} \cdot 2 - 11 y^{2} (2 y) - 11 y^{2} \cdot 2 + 12 y (2 y) + 12 y \cdot 2 + 36 (2 y) + 36 \cdot 2 + (- y^{2} - (2 y) - 1 \cdot 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.14.2.2

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

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Step 2.9.3.14.2.2.1

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

Step 2.9.3.14.2.2.2

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

$g'' (y) = - \frac{2 y^{1 + 4} + y^{4} \cdot 2 - 2 y^{3} (2 y) - 2 y^{3} \cdot 2 - 11 y^{2} (2 y) - 11 y^{2} \cdot 2 + 12 y (2 y) + 12 y \cdot 2 + 36 (2 y) + 36 \cdot 2 + (- y^{2} - (2 y) - 1 \cdot 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.14.2.3

Add $1$ and $4$ .

$g'' (y) = - \frac{2 y^{5} + y^{4} \cdot 2 - 2 y^{3} (2 y) - 2 y^{3} \cdot 2 - 11 y^{2} (2 y) - 11 y^{2} \cdot 2 + 12 y (2 y) + 12 y \cdot 2 + 36 (2 y) + 36 \cdot 2 + (- y^{2} - (2 y) - 1 \cdot 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.14.3

Move $2$ to the left of $y^{4}$ .

$g'' (y) = - \frac{2 y^{5} + 2 \cdot y^{4} - 2 y^{3} (2 y) - 2 y^{3} \cdot 2 - 11 y^{2} (2 y) - 11 y^{2} \cdot 2 + 12 y (2 y) + 12 y \cdot 2 + 36 (2 y) + 36 \cdot 2 + (- y^{2} - (2 y) - 1 \cdot 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.14.4

Rewrite using the commutative property of multiplication.

$g'' (y) = - \frac{2 y^{5} + 2 y^{4} - 2 \cdot (2 y^{3} y) - 2 y^{3} \cdot 2 - 11 y^{2} (2 y) - 11 y^{2} \cdot 2 + 12 y (2 y) + 12 y \cdot 2 + 36 (2 y) + 36 \cdot 2 + (- y^{2} - (2 y) - 1 \cdot 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.14.5

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

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Step 2.9.3.14.5.1

Move $y$ .

$g'' (y) = - \frac{2 y^{5} + 2 y^{4} - 2 \cdot (2 (y \cdot y^{3})) - 2 y^{3} \cdot 2 - 11 y^{2} (2 y) - 11 y^{2} \cdot 2 + 12 y (2 y) + 12 y \cdot 2 + 36 (2 y) + 36 \cdot 2 + (- y^{2} - (2 y) - 1 \cdot 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.14.5.2

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

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Step 2.9.3.14.5.2.1

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

Step 2.9.3.14.5.2.2

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

$g'' (y) = - \frac{2 y^{5} + 2 y^{4} - 2 \cdot (2 y^{1 + 3}) - 2 y^{3} \cdot 2 - 11 y^{2} (2 y) - 11 y^{2} \cdot 2 + 12 y (2 y) + 12 y \cdot 2 + 36 (2 y) + 36 \cdot 2 + (- y^{2} - (2 y) - 1 \cdot 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.14.5.3

Add $1$ and $3$ .

$g'' (y) = - \frac{2 y^{5} + 2 y^{4} - 2 \cdot (2 y^{4}) - 2 y^{3} \cdot 2 - 11 y^{2} (2 y) - 11 y^{2} \cdot 2 + 12 y (2 y) + 12 y \cdot 2 + 36 (2 y) + 36 \cdot 2 + (- y^{2} - (2 y) - 1 \cdot 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.14.6

Multiply $- 2$ by $2$ .

$g'' (y) = - \frac{2 y^{5} + 2 y^{4} - 4 y^{4} - 2 y^{3} \cdot 2 - 11 y^{2} (2 y) - 11 y^{2} \cdot 2 + 12 y (2 y) + 12 y \cdot 2 + 36 (2 y) + 36 \cdot 2 + (- y^{2} - (2 y) - 1 \cdot 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.14.7

Multiply $2$ by $- 2$ .

$g'' (y) = - \frac{2 y^{5} + 2 y^{4} - 4 y^{4} - 4 y^{3} - 11 y^{2} (2 y) - 11 y^{2} \cdot 2 + 12 y (2 y) + 12 y \cdot 2 + 36 (2 y) + 36 \cdot 2 + (- y^{2} - (2 y) - 1 \cdot 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.14.8

Rewrite using the commutative property of multiplication.

$g'' (y) = - \frac{2 y^{5} + 2 y^{4} - 4 y^{4} - 4 y^{3} - 11 \cdot (2 y^{2} y) - 11 y^{2} \cdot 2 + 12 y (2 y) + 12 y \cdot 2 + 36 (2 y) + 36 \cdot 2 + (- y^{2} - (2 y) - 1 \cdot 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.14.9

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

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Step 2.9.3.14.9.1

Move $y$ .

$g'' (y) = - \frac{2 y^{5} + 2 y^{4} - 4 y^{4} - 4 y^{3} - 11 \cdot (2 (y \cdot y^{2})) - 11 y^{2} \cdot 2 + 12 y (2 y) + 12 y \cdot 2 + 36 (2 y) + 36 \cdot 2 + (- y^{2} - (2 y) - 1 \cdot 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.14.9.2

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

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Step 2.9.3.14.9.2.1

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

Step 2.9.3.14.9.2.2

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

$g'' (y) = - \frac{2 y^{5} + 2 y^{4} - 4 y^{4} - 4 y^{3} - 11 \cdot (2 y^{1 + 2}) - 11 y^{2} \cdot 2 + 12 y (2 y) + 12 y \cdot 2 + 36 (2 y) + 36 \cdot 2 + (- y^{2} - (2 y) - 1 \cdot 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.14.9.3

Add $1$ and $2$ .

$g'' (y) = - \frac{2 y^{5} + 2 y^{4} - 4 y^{4} - 4 y^{3} - 11 \cdot (2 y^{3}) - 11 y^{2} \cdot 2 + 12 y (2 y) + 12 y \cdot 2 + 36 (2 y) + 36 \cdot 2 + (- y^{2} - (2 y) - 1 \cdot 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.14.10

Multiply $- 11$ by $2$ .

$g'' (y) = - \frac{2 y^{5} + 2 y^{4} - 4 y^{4} - 4 y^{3} - 22 y^{3} - 11 y^{2} \cdot 2 + 12 y (2 y) + 12 y \cdot 2 + 36 (2 y) + 36 \cdot 2 + (- y^{2} - (2 y) - 1 \cdot 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.14.11

Multiply $2$ by $- 11$ .

$g'' (y) = - \frac{2 y^{5} + 2 y^{4} - 4 y^{4} - 4 y^{3} - 22 y^{3} - 22 y^{2} + 12 y (2 y) + 12 y \cdot 2 + 36 (2 y) + 36 \cdot 2 + (- y^{2} - (2 y) - 1 \cdot 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.14.12

Rewrite using the commutative property of multiplication.

$g'' (y) = - \frac{2 y^{5} + 2 y^{4} - 4 y^{4} - 4 y^{3} - 22 y^{3} - 22 y^{2} + 12 \cdot (2 y \cdot y) + 12 y \cdot 2 + 36 (2 y) + 36 \cdot 2 + (- y^{2} - (2 y) - 1 \cdot 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.14.13

Multiply $y$ by $y$ by adding the exponents.

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Step 2.9.3.14.13.1

Move $y$ .

$g'' (y) = - \frac{2 y^{5} + 2 y^{4} - 4 y^{4} - 4 y^{3} - 22 y^{3} - 22 y^{2} + 12 \cdot (2 (y \cdot y)) + 12 y \cdot 2 + 36 (2 y) + 36 \cdot 2 + (- y^{2} - (2 y) - 1 \cdot 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.14.13.2

Multiply $y$ by $y$ .

$g'' (y) = - \frac{2 y^{5} + 2 y^{4} - 4 y^{4} - 4 y^{3} - 22 y^{3} - 22 y^{2} + 12 \cdot (2 y^{2}) + 12 y \cdot 2 + 36 (2 y) + 36 \cdot 2 + (- y^{2} - (2 y) - 1 \cdot 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.14.14

Multiply $12$ by $2$ .

$g'' (y) = - \frac{2 y^{5} + 2 y^{4} - 4 y^{4} - 4 y^{3} - 22 y^{3} - 22 y^{2} + 24 y^{2} + 12 y \cdot 2 + 36 (2 y) + 36 \cdot 2 + (- y^{2} - (2 y) - 1 \cdot 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.14.15

Multiply $2$ by $12$ .

$g'' (y) = - \frac{2 y^{5} + 2 y^{4} - 4 y^{4} - 4 y^{3} - 22 y^{3} - 22 y^{2} + 24 y^{2} + 24 y + 36 (2 y) + 36 \cdot 2 + (- y^{2} - (2 y) - 1 \cdot 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.14.16

Multiply $2$ by $36$ .

$g'' (y) = - \frac{2 y^{5} + 2 y^{4} - 4 y^{4} - 4 y^{3} - 22 y^{3} - 22 y^{2} + 24 y^{2} + 24 y + 72 y + 36 \cdot 2 + (- y^{2} - (2 y) - 1 \cdot 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.14.17

Multiply $36$ by $2$ .

$g'' (y) = - \frac{2 y^{5} + 2 y^{4} - 4 y^{4} - 4 y^{3} - 22 y^{3} - 22 y^{2} + 24 y^{2} + 24 y + 72 y + 72 + (- y^{2} - (2 y) - 1 \cdot 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.15

Subtract $4 y^{4}$ from $2 y^{4}$ .

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 4 y^{3} - 22 y^{3} - 22 y^{2} + 24 y^{2} + 24 y + 72 y + 72 + (- y^{2} - (2 y) - 1 \cdot 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.16

Subtract $22 y^{3}$ from $- 4 y^{3}$ .

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} - 22 y^{2} + 24 y^{2} + 24 y + 72 y + 72 + (- y^{2} - (2 y) - 1 \cdot 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.17

Add $- 22 y^{2}$ and $24 y^{2}$ .

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 24 y + 72 y + 72 + (- y^{2} - (2 y) - 1 \cdot 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.18

Add $24 y$ and $72 y$ .

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 + (- y^{2} - (2 y) - 1 \cdot 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.19

Simplify each term.

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Step 2.9.3.19.1

Multiply $2$ by $- 1$ .

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 + (- y^{2} - 2 y - 1 \cdot 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.19.2

Multiply $- 1$ by $5$ .

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 + (- y^{2} - 2 y - 5) (2 {(y - 3)}^{2} (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.20

Simplify each term.

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Step 2.9.3.20.1

Rewrite ${(y - 3)}^{2}$ as $(y - 3) (y - 3)$ .

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 + (- y^{2} - 2 y - 5) (2 ((y - 3) (y - 3)) (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.20.2

Expand $(y - 3) (y - 3)$ using the FOIL Method.

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Step 2.9.3.20.2.1

Apply the distributive property.

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 + (- y^{2} - 2 y - 5) (2 (y (y - 3) - 3 (y - 3)) (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.20.2.2

Apply the distributive property.

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 + (- y^{2} - 2 y - 5) (2 (y \cdot y + y \cdot - 3 - 3 (y - 3)) (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.20.2.3

Apply the distributive property.

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 + (- y^{2} - 2 y - 5) (2 (y \cdot y + y \cdot - 3 - 3 y - 3 \cdot - 3) (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.20.3

Simplify and combine like terms.

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Step 2.9.3.20.3.1

Simplify each term.

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Step 2.9.3.20.3.1.1

Multiply $y$ by $y$ .

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 + (- y^{2} - 2 y - 5) (2 (y^{2} + y \cdot - 3 - 3 y - 3 \cdot - 3) (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.20.3.1.2

Move $- 3$ to the left of $y$ .

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 + (- y^{2} - 2 y - 5) (2 (y^{2} - 3 \cdot y - 3 y - 3 \cdot - 3) (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.20.3.1.3

Multiply $- 3$ by $- 3$ .

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 + (- y^{2} - 2 y - 5) (2 (y^{2} - 3 y - 3 y + 9) (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.20.3.2

Subtract $3 y$ from $- 3 y$ .

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 + (- y^{2} - 2 y - 5) (2 (y^{2} - 6 y + 9) (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.20.4

Apply the distributive property.

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 + (- y^{2} - 2 y - 5) ((2 y^{2} + 2 (- 6 y) + 2 \cdot 9) (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.20.5

Simplify.

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Step 2.9.3.20.5.1

Multiply $- 6$ by $2$ .

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 + (- y^{2} - 2 y - 5) ((2 y^{2} - 12 y + 2 \cdot 9) (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.20.5.2

Multiply $2$ by $9$ .

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 + (- y^{2} - 2 y - 5) ((2 y^{2} - 12 y + 18) (y + 2) + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.20.6

Expand $(2 y^{2} - 12 y + 18) (y + 2)$ by multiplying each term in the first expression by each term in the second expression.

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 + (- y^{2} - 2 y - 5) (2 y^{2} y + 2 y^{2} \cdot 2 - 12 y \cdot y - 12 y \cdot 2 + 18 y + 18 \cdot 2 + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.20.7

Simplify each term.

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Step 2.9.3.20.7.1

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

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Step 2.9.3.20.7.1.1

Move $y$ .

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 + (- y^{2} - 2 y - 5) (2 (y \cdot y^{2}) + 2 y^{2} \cdot 2 - 12 y \cdot y - 12 y \cdot 2 + 18 y + 18 \cdot 2 + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.20.7.1.2

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

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Step 2.9.3.20.7.1.2.1

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

Step 2.9.3.20.7.1.2.2

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

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 + (- y^{2} - 2 y - 5) (2 y^{1 + 2} + 2 y^{2} \cdot 2 - 12 y \cdot y - 12 y \cdot 2 + 18 y + 18 \cdot 2 + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.20.7.1.3

Add $1$ and $2$ .

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 + (- y^{2} - 2 y - 5) (2 y^{3} + 2 y^{2} \cdot 2 - 12 y \cdot y - 12 y \cdot 2 + 18 y + 18 \cdot 2 + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.20.7.2

Multiply $2$ by $2$ .

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 + (- y^{2} - 2 y - 5) (2 y^{3} + 4 y^{2} - 12 y \cdot y - 12 y \cdot 2 + 18 y + 18 \cdot 2 + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.20.7.3

Multiply $y$ by $y$ by adding the exponents.

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Step 2.9.3.20.7.3.1

Move $y$ .

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 + (- y^{2} - 2 y - 5) (2 y^{3} + 4 y^{2} - 12 (y \cdot y) - 12 y \cdot 2 + 18 y + 18 \cdot 2 + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.20.7.3.2

Multiply $y$ by $y$ .

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 + (- y^{2} - 2 y - 5) (2 y^{3} + 4 y^{2} - 12 y^{2} - 12 y \cdot 2 + 18 y + 18 \cdot 2 + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.20.7.4

Multiply $2$ by $- 12$ .

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 + (- y^{2} - 2 y - 5) (2 y^{3} + 4 y^{2} - 12 y^{2} - 24 y + 18 y + 18 \cdot 2 + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.20.7.5

Multiply $18$ by $2$ .

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 + (- y^{2} - 2 y - 5) (2 y^{3} + 4 y^{2} - 12 y^{2} - 24 y + 18 y + 36 + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.20.8

Subtract $12 y^{2}$ from $4 y^{2}$ .

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 + (- y^{2} - 2 y - 5) (2 y^{3} - 8 y^{2} - 24 y + 18 y + 36 + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.20.9

Add $- 24 y$ and $18 y$ .

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 + (- y^{2} - 2 y - 5) (2 y^{3} - 8 y^{2} - 6 y + 36 + 2 {(y + 2)}^{2} (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.20.10

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

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 + (- y^{2} - 2 y - 5) (2 y^{3} - 8 y^{2} - 6 y + 36 + 2 ((y + 2) (y + 2)) (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.20.11

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

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Step 2.9.3.20.11.1

Apply the distributive property.

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 + (- y^{2} - 2 y - 5) (2 y^{3} - 8 y^{2} - 6 y + 36 + 2 (y (y + 2) + 2 (y + 2)) (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.20.11.2

Apply the distributive property.

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 + (- y^{2} - 2 y - 5) (2 y^{3} - 8 y^{2} - 6 y + 36 + 2 (y \cdot y + y \cdot 2 + 2 (y + 2)) (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.20.11.3

Apply the distributive property.

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 + (- y^{2} - 2 y - 5) (2 y^{3} - 8 y^{2} - 6 y + 36 + 2 (y \cdot y + y \cdot 2 + 2 y + 2 \cdot 2) (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.20.12

Simplify and combine like terms.

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Step 2.9.3.20.12.1

Simplify each term.

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Step 2.9.3.20.12.1.1

Multiply $y$ by $y$ .

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 + (- y^{2} - 2 y - 5) (2 y^{3} - 8 y^{2} - 6 y + 36 + 2 (y^{2} + y \cdot 2 + 2 y + 2 \cdot 2) (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.20.12.1.2

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

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 + (- y^{2} - 2 y - 5) (2 y^{3} - 8 y^{2} - 6 y + 36 + 2 (y^{2} + 2 \cdot y + 2 y + 2 \cdot 2) (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.20.12.1.3

Multiply $2$ by $2$ .

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 + (- y^{2} - 2 y - 5) (2 y^{3} - 8 y^{2} - 6 y + 36 + 2 (y^{2} + 2 y + 2 y + 4) (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.20.12.2

Add $2 y$ and $2 y$ .

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 + (- y^{2} - 2 y - 5) (2 y^{3} - 8 y^{2} - 6 y + 36 + 2 (y^{2} + 4 y + 4) (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.20.13

Apply the distributive property.

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 + (- y^{2} - 2 y - 5) (2 y^{3} - 8 y^{2} - 6 y + 36 + (2 y^{2} + 2 (4 y) + 2 \cdot 4) (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.20.14

Simplify.

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Step 2.9.3.20.14.1

Multiply $4$ by $2$ .

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 + (- y^{2} - 2 y - 5) (2 y^{3} - 8 y^{2} - 6 y + 36 + (2 y^{2} + 8 y + 2 \cdot 4) (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.20.14.2

Multiply $2$ by $4$ .

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 + (- y^{2} - 2 y - 5) (2 y^{3} - 8 y^{2} - 6 y + 36 + (2 y^{2} + 8 y + 8) (y - 3))}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.20.15

Expand $(2 y^{2} + 8 y + 8) (y - 3)$ by multiplying each term in the first expression by each term in the second expression.

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 + (- y^{2} - 2 y - 5) (2 y^{3} - 8 y^{2} - 6 y + 36 + 2 y^{2} y + 2 y^{2} \cdot - 3 + 8 y \cdot y + 8 y \cdot - 3 + 8 y + 8 \cdot - 3)}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.20.16

Simplify each term.

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Step 2.9.3.20.16.1

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

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Step 2.9.3.20.16.1.1

Move $y$ .

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 + (- y^{2} - 2 y - 5) (2 y^{3} - 8 y^{2} - 6 y + 36 + 2 (y \cdot y^{2}) + 2 y^{2} \cdot - 3 + 8 y \cdot y + 8 y \cdot - 3 + 8 y + 8 \cdot - 3)}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.20.16.1.2

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

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Step 2.9.3.20.16.1.2.1

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

Step 2.9.3.20.16.1.2.2

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

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 + (- y^{2} - 2 y - 5) (2 y^{3} - 8 y^{2} - 6 y + 36 + 2 y^{1 + 2} + 2 y^{2} \cdot - 3 + 8 y \cdot y + 8 y \cdot - 3 + 8 y + 8 \cdot - 3)}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.20.16.1.3

Add $1$ and $2$ .

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 + (- y^{2} - 2 y - 5) (2 y^{3} - 8 y^{2} - 6 y + 36 + 2 y^{3} + 2 y^{2} \cdot - 3 + 8 y \cdot y + 8 y \cdot - 3 + 8 y + 8 \cdot - 3)}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.20.16.2

Multiply $- 3$ by $2$ .

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 + (- y^{2} - 2 y - 5) (2 y^{3} - 8 y^{2} - 6 y + 36 + 2 y^{3} - 6 y^{2} + 8 y \cdot y + 8 y \cdot - 3 + 8 y + 8 \cdot - 3)}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.20.16.3

Multiply $y$ by $y$ by adding the exponents.

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Step 2.9.3.20.16.3.1

Move $y$ .

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 + (- y^{2} - 2 y - 5) (2 y^{3} - 8 y^{2} - 6 y + 36 + 2 y^{3} - 6 y^{2} + 8 (y \cdot y) + 8 y \cdot - 3 + 8 y + 8 \cdot - 3)}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.20.16.3.2

Multiply $y$ by $y$ .

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 + (- y^{2} - 2 y - 5) (2 y^{3} - 8 y^{2} - 6 y + 36 + 2 y^{3} - 6 y^{2} + 8 y^{2} + 8 y \cdot - 3 + 8 y + 8 \cdot - 3)}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.20.16.4

Multiply $- 3$ by $8$ .

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 + (- y^{2} - 2 y - 5) (2 y^{3} - 8 y^{2} - 6 y + 36 + 2 y^{3} - 6 y^{2} + 8 y^{2} - 24 y + 8 y + 8 \cdot - 3)}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.20.16.5

Multiply $8$ by $- 3$ .

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 + (- y^{2} - 2 y - 5) (2 y^{3} - 8 y^{2} - 6 y + 36 + 2 y^{3} - 6 y^{2} + 8 y^{2} - 24 y + 8 y - 24)}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.20.17

Add $- 6 y^{2}$ and $8 y^{2}$ .

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 + (- y^{2} - 2 y - 5) (2 y^{3} - 8 y^{2} - 6 y + 36 + 2 y^{3} + 2 y^{2} - 24 y + 8 y - 24)}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.20.18

Add $- 24 y$ and $8 y$ .

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 + (- y^{2} - 2 y - 5) (2 y^{3} - 8 y^{2} - 6 y + 36 + 2 y^{3} + 2 y^{2} - 16 y - 24)}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.21

Add $2 y^{3}$ and $2 y^{3}$ .

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 + (- y^{2} - 2 y - 5) (4 y^{3} - 8 y^{2} - 6 y + 36 + 2 y^{2} - 16 y - 24)}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.22

Add $- 8 y^{2}$ and $2 y^{2}$ .

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 + (- y^{2} - 2 y - 5) (4 y^{3} - 6 y^{2} - 6 y + 36 - 16 y - 24)}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.23

Subtract $16 y$ from $- 6 y$ .

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 + (- y^{2} - 2 y - 5) (4 y^{3} - 6 y^{2} - 22 y + 36 - 24)}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.24

Subtract $24$ from $36$ .

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 + (- y^{2} - 2 y - 5) (4 y^{3} - 6 y^{2} - 22 y + 12)}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.25

Expand $(- y^{2} - 2 y - 5) (4 y^{3} - 6 y^{2} - 22 y + 12)$ by multiplying each term in the first expression by each term in the second expression.

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 - y^{2} (4 y^{3}) - y^{2} (- 6 y^{2}) - y^{2} (- 22 y) - y^{2} \cdot 12 - 2 y (4 y^{3}) - 2 y (- 6 y^{2}) - 2 y (- 22 y) - 2 y \cdot 12 - 5 (4 y^{3}) - 5 (- 6 y^{2}) - 5 (- 22 y) - 5 \cdot 12}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.26

Simplify each term.

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Step 2.9.3.26.1

Rewrite using the commutative property of multiplication.

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 - 1 \cdot (4 y^{2} y^{3}) - y^{2} (- 6 y^{2}) - y^{2} (- 22 y) - y^{2} \cdot 12 - 2 y (4 y^{3}) - 2 y (- 6 y^{2}) - 2 y (- 22 y) - 2 y \cdot 12 - 5 (4 y^{3}) - 5 (- 6 y^{2}) - 5 (- 22 y) - 5 \cdot 12}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.26.2

Multiply $y^{2}$ by $y^{3}$ by adding the exponents.

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Step 2.9.3.26.2.1

Move $y^{3}$ .

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 - 1 \cdot (4 (y^{3} y^{2})) - y^{2} (- 6 y^{2}) - y^{2} (- 22 y) - y^{2} \cdot 12 - 2 y (4 y^{3}) - 2 y (- 6 y^{2}) - 2 y (- 22 y) - 2 y \cdot 12 - 5 (4 y^{3}) - 5 (- 6 y^{2}) - 5 (- 22 y) - 5 \cdot 12}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.26.2.2

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

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 - 1 \cdot (4 y^{3 + 2}) - y^{2} (- 6 y^{2}) - y^{2} (- 22 y) - y^{2} \cdot 12 - 2 y (4 y^{3}) - 2 y (- 6 y^{2}) - 2 y (- 22 y) - 2 y \cdot 12 - 5 (4 y^{3}) - 5 (- 6 y^{2}) - 5 (- 22 y) - 5 \cdot 12}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.26.2.3

Add $3$ and $2$ .

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 - 1 \cdot (4 y^{5}) - y^{2} (- 6 y^{2}) - y^{2} (- 22 y) - y^{2} \cdot 12 - 2 y (4 y^{3}) - 2 y (- 6 y^{2}) - 2 y (- 22 y) - 2 y \cdot 12 - 5 (4 y^{3}) - 5 (- 6 y^{2}) - 5 (- 22 y) - 5 \cdot 12}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.26.3

Multiply $- 1$ by $4$ .

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 - 4 y^{5} - y^{2} (- 6 y^{2}) - y^{2} (- 22 y) - y^{2} \cdot 12 - 2 y (4 y^{3}) - 2 y (- 6 y^{2}) - 2 y (- 22 y) - 2 y \cdot 12 - 5 (4 y^{3}) - 5 (- 6 y^{2}) - 5 (- 22 y) - 5 \cdot 12}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.26.4

Rewrite using the commutative property of multiplication.

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 - 4 y^{5} - 1 \cdot (- 6 y^{2} y^{2}) - y^{2} (- 22 y) - y^{2} \cdot 12 - 2 y (4 y^{3}) - 2 y (- 6 y^{2}) - 2 y (- 22 y) - 2 y \cdot 12 - 5 (4 y^{3}) - 5 (- 6 y^{2}) - 5 (- 22 y) - 5 \cdot 12}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.26.5

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

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Step 2.9.3.26.5.1

Move $y^{2}$ .

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 - 4 y^{5} - 1 \cdot (- 6 (y^{2} y^{2})) - y^{2} (- 22 y) - y^{2} \cdot 12 - 2 y (4 y^{3}) - 2 y (- 6 y^{2}) - 2 y (- 22 y) - 2 y \cdot 12 - 5 (4 y^{3}) - 5 (- 6 y^{2}) - 5 (- 22 y) - 5 \cdot 12}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.26.5.2

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

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 - 4 y^{5} - 1 \cdot (- 6 y^{2 + 2}) - y^{2} (- 22 y) - y^{2} \cdot 12 - 2 y (4 y^{3}) - 2 y (- 6 y^{2}) - 2 y (- 22 y) - 2 y \cdot 12 - 5 (4 y^{3}) - 5 (- 6 y^{2}) - 5 (- 22 y) - 5 \cdot 12}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.26.5.3

Add $2$ and $2$ .

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 - 4 y^{5} - 1 \cdot (- 6 y^{4}) - y^{2} (- 22 y) - y^{2} \cdot 12 - 2 y (4 y^{3}) - 2 y (- 6 y^{2}) - 2 y (- 22 y) - 2 y \cdot 12 - 5 (4 y^{3}) - 5 (- 6 y^{2}) - 5 (- 22 y) - 5 \cdot 12}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.26.6

Multiply $- 1$ by $- 6$ .

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 - 4 y^{5} + 6 y^{4} - y^{2} (- 22 y) - y^{2} \cdot 12 - 2 y (4 y^{3}) - 2 y (- 6 y^{2}) - 2 y (- 22 y) - 2 y \cdot 12 - 5 (4 y^{3}) - 5 (- 6 y^{2}) - 5 (- 22 y) - 5 \cdot 12}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.26.7

Rewrite using the commutative property of multiplication.

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 - 4 y^{5} + 6 y^{4} - 1 \cdot (- 22 y^{2} y) - y^{2} \cdot 12 - 2 y (4 y^{3}) - 2 y (- 6 y^{2}) - 2 y (- 22 y) - 2 y \cdot 12 - 5 (4 y^{3}) - 5 (- 6 y^{2}) - 5 (- 22 y) - 5 \cdot 12}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.26.8

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

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Step 2.9.3.26.8.1

Move $y$ .

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 - 4 y^{5} + 6 y^{4} - 1 \cdot (- 22 (y \cdot y^{2})) - y^{2} \cdot 12 - 2 y (4 y^{3}) - 2 y (- 6 y^{2}) - 2 y (- 22 y) - 2 y \cdot 12 - 5 (4 y^{3}) - 5 (- 6 y^{2}) - 5 (- 22 y) - 5 \cdot 12}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.26.8.2

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

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Step 2.9.3.26.8.2.1

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

Step 2.9.3.26.8.2.2

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

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 - 4 y^{5} + 6 y^{4} - 1 \cdot (- 22 y^{1 + 2}) - y^{2} \cdot 12 - 2 y (4 y^{3}) - 2 y (- 6 y^{2}) - 2 y (- 22 y) - 2 y \cdot 12 - 5 (4 y^{3}) - 5 (- 6 y^{2}) - 5 (- 22 y) - 5 \cdot 12}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.26.8.3

Add $1$ and $2$ .

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 - 4 y^{5} + 6 y^{4} - 1 \cdot (- 22 y^{3}) - y^{2} \cdot 12 - 2 y (4 y^{3}) - 2 y (- 6 y^{2}) - 2 y (- 22 y) - 2 y \cdot 12 - 5 (4 y^{3}) - 5 (- 6 y^{2}) - 5 (- 22 y) - 5 \cdot 12}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.26.9

Multiply $- 1$ by $- 22$ .

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 - 4 y^{5} + 6 y^{4} + 22 y^{3} - y^{2} \cdot 12 - 2 y (4 y^{3}) - 2 y (- 6 y^{2}) - 2 y (- 22 y) - 2 y \cdot 12 - 5 (4 y^{3}) - 5 (- 6 y^{2}) - 5 (- 22 y) - 5 \cdot 12}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.26.10

Multiply $12$ by $- 1$ .

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 - 4 y^{5} + 6 y^{4} + 22 y^{3} - 12 y^{2} - 2 y (4 y^{3}) - 2 y (- 6 y^{2}) - 2 y (- 22 y) - 2 y \cdot 12 - 5 (4 y^{3}) - 5 (- 6 y^{2}) - 5 (- 22 y) - 5 \cdot 12}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.26.11

Rewrite using the commutative property of multiplication.

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 - 4 y^{5} + 6 y^{4} + 22 y^{3} - 12 y^{2} - 2 \cdot (4 y \cdot y^{3}) - 2 y (- 6 y^{2}) - 2 y (- 22 y) - 2 y \cdot 12 - 5 (4 y^{3}) - 5 (- 6 y^{2}) - 5 (- 22 y) - 5 \cdot 12}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.26.12

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

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Step 2.9.3.26.12.1

Move $y^{3}$ .

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 - 4 y^{5} + 6 y^{4} + 22 y^{3} - 12 y^{2} - 2 \cdot (4 (y^{3} y)) - 2 y (- 6 y^{2}) - 2 y (- 22 y) - 2 y \cdot 12 - 5 (4 y^{3}) - 5 (- 6 y^{2}) - 5 (- 22 y) - 5 \cdot 12}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.26.12.2

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

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Step 2.9.3.26.12.2.1

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

Step 2.9.3.26.12.2.2

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

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 - 4 y^{5} + 6 y^{4} + 22 y^{3} - 12 y^{2} - 2 \cdot (4 y^{3 + 1}) - 2 y (- 6 y^{2}) - 2 y (- 22 y) - 2 y \cdot 12 - 5 (4 y^{3}) - 5 (- 6 y^{2}) - 5 (- 22 y) - 5 \cdot 12}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.26.12.3

Add $3$ and $1$ .

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 - 4 y^{5} + 6 y^{4} + 22 y^{3} - 12 y^{2} - 2 \cdot (4 y^{4}) - 2 y (- 6 y^{2}) - 2 y (- 22 y) - 2 y \cdot 12 - 5 (4 y^{3}) - 5 (- 6 y^{2}) - 5 (- 22 y) - 5 \cdot 12}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.26.13

Multiply $- 2$ by $4$ .

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 - 4 y^{5} + 6 y^{4} + 22 y^{3} - 12 y^{2} - 8 y^{4} - 2 y (- 6 y^{2}) - 2 y (- 22 y) - 2 y \cdot 12 - 5 (4 y^{3}) - 5 (- 6 y^{2}) - 5 (- 22 y) - 5 \cdot 12}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.26.14

Rewrite using the commutative property of multiplication.

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 - 4 y^{5} + 6 y^{4} + 22 y^{3} - 12 y^{2} - 8 y^{4} - 2 \cdot (- 6 y \cdot y^{2}) - 2 y (- 22 y) - 2 y \cdot 12 - 5 (4 y^{3}) - 5 (- 6 y^{2}) - 5 (- 22 y) - 5 \cdot 12}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.26.15

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

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Step 2.9.3.26.15.1

Move $y^{2}$ .

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 - 4 y^{5} + 6 y^{4} + 22 y^{3} - 12 y^{2} - 8 y^{4} - 2 \cdot (- 6 (y^{2} y)) - 2 y (- 22 y) - 2 y \cdot 12 - 5 (4 y^{3}) - 5 (- 6 y^{2}) - 5 (- 22 y) - 5 \cdot 12}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.26.15.2

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

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Step 2.9.3.26.15.2.1

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

Step 2.9.3.26.15.2.2

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

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 - 4 y^{5} + 6 y^{4} + 22 y^{3} - 12 y^{2} - 8 y^{4} - 2 \cdot (- 6 y^{2 + 1}) - 2 y (- 22 y) - 2 y \cdot 12 - 5 (4 y^{3}) - 5 (- 6 y^{2}) - 5 (- 22 y) - 5 \cdot 12}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.26.15.3

Add $2$ and $1$ .

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 - 4 y^{5} + 6 y^{4} + 22 y^{3} - 12 y^{2} - 8 y^{4} - 2 \cdot (- 6 y^{3}) - 2 y (- 22 y) - 2 y \cdot 12 - 5 (4 y^{3}) - 5 (- 6 y^{2}) - 5 (- 22 y) - 5 \cdot 12}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.26.16

Multiply $- 2$ by $- 6$ .

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 - 4 y^{5} + 6 y^{4} + 22 y^{3} - 12 y^{2} - 8 y^{4} + 12 y^{3} - 2 y (- 22 y) - 2 y \cdot 12 - 5 (4 y^{3}) - 5 (- 6 y^{2}) - 5 (- 22 y) - 5 \cdot 12}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.26.17

Rewrite using the commutative property of multiplication.

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 - 4 y^{5} + 6 y^{4} + 22 y^{3} - 12 y^{2} - 8 y^{4} + 12 y^{3} - 2 \cdot (- 22 y \cdot y) - 2 y \cdot 12 - 5 (4 y^{3}) - 5 (- 6 y^{2}) - 5 (- 22 y) - 5 \cdot 12}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.26.18

Multiply $y$ by $y$ by adding the exponents.

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Step 2.9.3.26.18.1

Move $y$ .

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 - 4 y^{5} + 6 y^{4} + 22 y^{3} - 12 y^{2} - 8 y^{4} + 12 y^{3} - 2 \cdot (- 22 (y \cdot y)) - 2 y \cdot 12 - 5 (4 y^{3}) - 5 (- 6 y^{2}) - 5 (- 22 y) - 5 \cdot 12}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.26.18.2

Multiply $y$ by $y$ .

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 - 4 y^{5} + 6 y^{4} + 22 y^{3} - 12 y^{2} - 8 y^{4} + 12 y^{3} - 2 \cdot (- 22 y^{2}) - 2 y \cdot 12 - 5 (4 y^{3}) - 5 (- 6 y^{2}) - 5 (- 22 y) - 5 \cdot 12}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.26.19

Multiply $- 2$ by $- 22$ .

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 - 4 y^{5} + 6 y^{4} + 22 y^{3} - 12 y^{2} - 8 y^{4} + 12 y^{3} + 44 y^{2} - 2 y \cdot 12 - 5 (4 y^{3}) - 5 (- 6 y^{2}) - 5 (- 22 y) - 5 \cdot 12}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.26.20

Multiply $12$ by $- 2$ .

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 - 4 y^{5} + 6 y^{4} + 22 y^{3} - 12 y^{2} - 8 y^{4} + 12 y^{3} + 44 y^{2} - 24 y - 5 (4 y^{3}) - 5 (- 6 y^{2}) - 5 (- 22 y) - 5 \cdot 12}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.26.21

Multiply $4$ by $- 5$ .

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 - 4 y^{5} + 6 y^{4} + 22 y^{3} - 12 y^{2} - 8 y^{4} + 12 y^{3} + 44 y^{2} - 24 y - 20 y^{3} - 5 (- 6 y^{2}) - 5 (- 22 y) - 5 \cdot 12}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.26.22

Multiply $- 6$ by $- 5$ .

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 - 4 y^{5} + 6 y^{4} + 22 y^{3} - 12 y^{2} - 8 y^{4} + 12 y^{3} + 44 y^{2} - 24 y - 20 y^{3} + 30 y^{2} - 5 (- 22 y) - 5 \cdot 12}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.26.23

Multiply $- 22$ by $- 5$ .

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 - 4 y^{5} + 6 y^{4} + 22 y^{3} - 12 y^{2} - 8 y^{4} + 12 y^{3} + 44 y^{2} - 24 y - 20 y^{3} + 30 y^{2} + 110 y - 5 \cdot 12}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.26.24

Multiply $- 5$ by $12$ .

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 - 4 y^{5} + 6 y^{4} + 22 y^{3} - 12 y^{2} - 8 y^{4} + 12 y^{3} + 44 y^{2} - 24 y - 20 y^{3} + 30 y^{2} + 110 y - 60}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.27

Subtract $8 y^{4}$ from $6 y^{4}$ .

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 - 4 y^{5} - 2 y^{4} + 22 y^{3} - 12 y^{2} + 12 y^{3} + 44 y^{2} - 24 y - 20 y^{3} + 30 y^{2} + 110 y - 60}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.28

Add $22 y^{3}$ and $12 y^{3}$ .

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 - 4 y^{5} - 2 y^{4} + 34 y^{3} - 12 y^{2} + 44 y^{2} - 24 y - 20 y^{3} + 30 y^{2} + 110 y - 60}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.29

Subtract $20 y^{3}$ from $34 y^{3}$ .

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 - 4 y^{5} - 2 y^{4} + 14 y^{3} - 12 y^{2} + 44 y^{2} - 24 y + 30 y^{2} + 110 y - 60}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.30

Add $- 12 y^{2}$ and $44 y^{2}$ .

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 - 4 y^{5} - 2 y^{4} + 14 y^{3} + 32 y^{2} - 24 y + 30 y^{2} + 110 y - 60}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.31

Add $32 y^{2}$ and $30 y^{2}$ .

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 - 4 y^{5} - 2 y^{4} + 14 y^{3} + 62 y^{2} - 24 y + 110 y - 60}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.32

Add $- 24 y$ and $110 y$ .

$g'' (y) = - \frac{2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 - 4 y^{5} - 2 y^{4} + 14 y^{3} + 62 y^{2} + 86 y - 60}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.33

Subtract $4 y^{5}$ from $2 y^{5}$ .

$g'' (y) = - \frac{- 2 y^{5} - 2 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 - 2 y^{4} + 14 y^{3} + 62 y^{2} + 86 y - 60}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.34

Subtract $2 y^{4}$ from $- 2 y^{4}$ .

$g'' (y) = - \frac{- 2 y^{5} - 4 y^{4} - 26 y^{3} + 2 y^{2} + 96 y + 72 + 14 y^{3} + 62 y^{2} + 86 y - 60}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.35

Add $- 26 y^{3}$ and $14 y^{3}$ .

$g'' (y) = - \frac{- 2 y^{5} - 4 y^{4} - 12 y^{3} + 2 y^{2} + 96 y + 72 + 62 y^{2} + 86 y - 60}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.36

Add $2 y^{2}$ and $62 y^{2}$ .

$g'' (y) = - \frac{- 2 y^{5} - 4 y^{4} - 12 y^{3} + 64 y^{2} + 96 y + 72 + 86 y - 60}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.37

Add $96 y$ and $86 y$ .

$g'' (y) = - \frac{- 2 y^{5} - 4 y^{4} - 12 y^{3} + 64 y^{2} + 182 y + 72 - 60}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.38

Subtract $60$ from $72$ .

$g'' (y) = - \frac{- 2 y^{5} - 4 y^{4} - 12 y^{3} + 64 y^{2} + 182 y + 12}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.39

Factor $2$ out of $- 2 y^{5} - 4 y^{4} - 12 y^{3} + 64 y^{2} + 182 y + 12$ .

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Step 2.9.3.39.1

Factor $2$ out of $- 2 y^{5}$ .

$g'' (y) = - \frac{2 (- y^{5}) - 4 y^{4} - 12 y^{3} + 64 y^{2} + 182 y + 12}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.39.2

Factor $2$ out of $- 4 y^{4}$ .

$g'' (y) = - \frac{2 (- y^{5}) + 2 (- 2 y^{4}) - 12 y^{3} + 64 y^{2} + 182 y + 12}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.39.3

Factor $2$ out of $- 12 y^{3}$ .

$g'' (y) = - \frac{2 (- y^{5}) + 2 (- 2 y^{4}) + 2 (- 6 y^{3}) + 64 y^{2} + 182 y + 12}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.39.4

Factor $2$ out of $64 y^{2}$ .

$g'' (y) = - \frac{2 (- y^{5}) + 2 (- 2 y^{4}) + 2 (- 6 y^{3}) + 2 (32 y^{2}) + 182 y + 12}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.39.5

Factor $2$ out of $182 y$ .

$g'' (y) = - \frac{2 (- y^{5}) + 2 (- 2 y^{4}) + 2 (- 6 y^{3}) + 2 (32 y^{2}) + 2 (91 y) + 12}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.39.6

Factor $2$ out of $12$ .

$g'' (y) = - \frac{2 (- y^{5}) + 2 (- 2 y^{4}) + 2 (- 6 y^{3}) + 2 (32 y^{2}) + 2 (91 y) + 2 (6)}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.39.7

Factor $2$ out of $2 (- y^{5}) + 2 (- 2 y^{4})$ .

$g'' (y) = - \frac{2 (- y^{5} - 2 y^{4}) + 2 (- 6 y^{3}) + 2 (32 y^{2}) + 2 (91 y) + 2 (6)}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.39.8

Factor $2$ out of $2 (- y^{5} - 2 y^{4}) + 2 (- 6 y^{3})$ .

$g'' (y) = - \frac{2 (- y^{5} - 2 y^{4} - 6 y^{3}) + 2 (32 y^{2}) + 2 (91 y) + 2 (6)}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.39.9

Factor $2$ out of $2 (- y^{5} - 2 y^{4} - 6 y^{3}) + 2 (32 y^{2})$ .

$g'' (y) = - \frac{2 (- y^{5} - 2 y^{4} - 6 y^{3} + 32 y^{2}) + 2 (91 y) + 2 (6)}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.39.10

Factor $2$ out of $2 (- y^{5} - 2 y^{4} - 6 y^{3} + 32 y^{2}) + 2 (91 y)$ .

$g'' (y) = - \frac{2 (- y^{5} - 2 y^{4} - 6 y^{3} + 32 y^{2} + 91 y) + 2 (6)}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.3.39.11

Factor $2$ out of $2 (- y^{5} - 2 y^{4} - 6 y^{3} + 32 y^{2} + 91 y) + 2 (6)$ .

$g'' (y) = - \frac{2 (- y^{5} - 2 y^{4} - 6 y^{3} + 32 y^{2} + 91 y + 6)}{{({(y - 3)}^{2})}^{2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.4

Combine terms.

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Step 2.9.4.1

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

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Step 2.9.4.1.1

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

$g'' (y) = - \frac{2 (- y^{5} - 2 y^{4} - 6 y^{3} + 32 y^{2} + 91 y + 6)}{{(y - 3)}^{2 \cdot 2} {({(y + 2)}^{2})}^{2}}$

Step 2.9.4.1.2

Multiply $2$ by $2$ .

$g'' (y) = - \frac{2 (- y^{5} - 2 y^{4} - 6 y^{3} + 32 y^{2} + 91 y + 6)}{{(y - 3)}^{4} {({(y + 2)}^{2})}^{2}}$

Step 2.9.4.2

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

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Step 2.9.4.2.1

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

$g'' (y) = - \frac{2 (- y^{5} - 2 y^{4} - 6 y^{3} + 32 y^{2} + 91 y + 6)}{{(y - 3)}^{4} {(y + 2)}^{2 \cdot 2}}$

Step 2.9.4.2.2

Multiply $2$ by $2$ .

$g'' (y) = - \frac{2 (- y^{5} - 2 y^{4} - 6 y^{3} + 32 y^{2} + 91 y + 6)}{{(y - 3)}^{4} {(y + 2)}^{4}}$

Step 2.9.5

Factor $- 1$ out of $- y^{5}$ .

$g'' (y) = - \frac{2 (- (y^{5}) - 2 y^{4} - 6 y^{3} + 32 y^{2} + 91 y + 6)}{{(y - 3)}^{4} {(y + 2)}^{4}}$

Step 2.9.6

Factor $- 1$ out of $- 2 y^{4}$ .

$g'' (y) = - \frac{2 (- (y^{5}) - (2 y^{4}) - 6 y^{3} + 32 y^{2} + 91 y + 6)}{{(y - 3)}^{4} {(y + 2)}^{4}}$

Step 2.9.7

Factor $- 1$ out of $- (y^{5}) - (2 y^{4})$ .

$g'' (y) = - \frac{2 (- (y^{5} + 2 y^{4}) - 6 y^{3} + 32 y^{2} + 91 y + 6)}{{(y - 3)}^{4} {(y + 2)}^{4}}$

Step 2.9.8

Factor $- 1$ out of $- 6 y^{3}$ .

$g'' (y) = - \frac{2 (- (y^{5} + 2 y^{4}) - (6 y^{3}) + 32 y^{2} + 91 y + 6)}{{(y - 3)}^{4} {(y + 2)}^{4}}$

Step 2.9.9

Factor $- 1$ out of $- (y^{5} + 2 y^{4}) - (6 y^{3})$ .

$g'' (y) = - \frac{2 (- (y^{5} + 2 y^{4} + 6 y^{3}) + 32 y^{2} + 91 y + 6)}{{(y - 3)}^{4} {(y + 2)}^{4}}$

Step 2.9.10

Factor $- 1$ out of $32 y^{2}$ .

$g'' (y) = - \frac{2 (- (y^{5} + 2 y^{4} + 6 y^{3}) - (- 32 y^{2}) + 91 y + 6)}{{(y - 3)}^{4} {(y + 2)}^{4}}$

Step 2.9.11

Factor $- 1$ out of $- (y^{5} + 2 y^{4} + 6 y^{3}) - (- 32 y^{2})$ .

$g'' (y) = - \frac{2 (- (y^{5} + 2 y^{4} + 6 y^{3} - 32 y^{2}) + 91 y + 6)}{{(y - 3)}^{4} {(y + 2)}^{4}}$

Step 2.9.12

Factor $- 1$ out of $91 y$ .

$g'' (y) = - \frac{2 (- (y^{5} + 2 y^{4} + 6 y^{3} - 32 y^{2}) - (- 91 y) + 6)}{{(y - 3)}^{4} {(y + 2)}^{4}}$

Step 2.9.13

Factor $- 1$ out of $- (y^{5} + 2 y^{4} + 6 y^{3} - 32 y^{2}) - (- 91 y)$ .

$g'' (y) = - \frac{2 (- (y^{5} + 2 y^{4} + 6 y^{3} - 32 y^{2} - 91 y) + 6)}{{(y - 3)}^{4} {(y + 2)}^{4}}$

Step 2.9.14

Rewrite $6$ as $- 1 (- 6)$ .

$g'' (y) = - \frac{2 (- (y^{5} + 2 y^{4} + 6 y^{3} - 32 y^{2} - 91 y) - 1 \cdot - 6)}{{(y - 3)}^{4} {(y + 2)}^{4}}$

Step 2.9.15

Factor $- 1$ out of $- (y^{5} + 2 y^{4} + 6 y^{3} - 32 y^{2} - 91 y) - 1 (- 6)$ .

$g'' (y) = - \frac{2 (- (y^{5} + 2 y^{4} + 6 y^{3} - 32 y^{2} - 91 y - 6))}{{(y - 3)}^{4} {(y + 2)}^{4}}$

Step 2.9.16

Rewrite $- (y^{5} + 2 y^{4} + 6 y^{3} - 32 y^{2} - 91 y - 6)$ as $- 1 (y^{5} + 2 y^{4} + 6 y^{3} - 32 y^{2} - 91 y - 6)$ .

$g'' (y) = - \frac{2 (- 1 (y^{5} + 2 y^{4} + 6 y^{3} - 32 y^{2} - 91 y - 6))}{{(y - 3)}^{4} {(y + 2)}^{4}}$

Step 2.9.17

Move the negative in front of the fraction.

$g'' (y) = \frac{2 (y^{5} + 2 y^{4} + 6 y^{3} - 32 y^{2} - 91 y - 6)}{{(y - 3)}^{4} {(y + 2)}^{4}}$

Step 2.9.18

Multiply $- 1$ by $- 1$ .

$g'' (y) = 1 (\frac{2 (y^{5} + 2 y^{4} + 6 y^{3} - 32 y^{2} - 91 y - 6)}{{(y - 3)}^{4} {(y + 2)}^{4}})$

Step 2.9.19

Multiply $\frac{2 (y^{5} + 2 y^{4} + 6 y^{3} - 32 y^{2} - 91 y - 6)}{{(y - 3)}^{4} {(y + 2)}^{4}}$ by $1$ .

$g'' (y) = \frac{2 (y^{5} + 2 y^{4} + 6 y^{3} - 32 y^{2} - 91 y - 6)}{{(y - 3)}^{4} {(y + 2)}^{4}}$

Step 3

To find the local maximum and minimum values of the function, set the derivative equal to $0$ and solve.

$- \frac{y^{2} + 2 y + 5}{{(y - 3)}^{2} {(y + 2)}^{2}} = 0$

Step 4

Since there is no value of $x$ that makes the first derivative equal to $0$ , there are no local extrema.

No Local Extrema

Step 5

No Local Extrema