Calculus Examples

$Y = {(4 x^{\frac{3}{2}} - 2 x^{\frac{1}{2}})}^{3}$

Step 1

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 $g (x) = 4 x^{\frac{3}{2}} - 2 x^{\frac{1}{2}}$ .

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Step 1.1

To apply the Chain Rule, set $u$ as $4 x^{\frac{3}{2}} - 2 x^{\frac{1}{2}}$ .

$\frac{d}{d u} [u^{3}] \frac{d}{d x} [4 x^{\frac{3}{2}} - 2 x^{\frac{1}{2}}]$

Step 1.2

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

$3 u^{2} \frac{d}{d x} [4 x^{\frac{3}{2}} - 2 x^{\frac{1}{2}}]$

Step 1.3

Replace all occurrences of $u$ with $4 x^{\frac{3}{2}} - 2 x^{\frac{1}{2}}$ .

$3 {(4 x^{\frac{3}{2}} - 2 x^{\frac{1}{2}})}^{2} \frac{d}{d x} [4 x^{\frac{3}{2}} - 2 x^{\frac{1}{2}}]$

Step 2

Differentiate.

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Step 2.1

By the Sum Rule, the derivative of $4 x^{\frac{3}{2}} - 2 x^{\frac{1}{2}}$ with respect to $x$ is $\frac{d}{d x} [4 x^{\frac{3}{2}}] + \frac{d}{d x} [- 2 x^{\frac{1}{2}}]$ .

$3 {(4 x^{\frac{3}{2}} - 2 x^{\frac{1}{2}})}^{2} (\frac{d}{d x} [4 x^{\frac{3}{2}}] + \frac{d}{d x} [- 2 x^{\frac{1}{2}}])$

Step 2.2

Since $4$ is constant with respect to $x$ , the derivative of $4 x^{\frac{3}{2}}$ with respect to $x$ is $4 \frac{d}{d x} [x^{\frac{3}{2}}]$ .

$3 {(4 x^{\frac{3}{2}} - 2 x^{\frac{1}{2}})}^{2} (4 \frac{d}{d x} [x^{\frac{3}{2}}] + \frac{d}{d x} [- 2 x^{\frac{1}{2}}])$

Step 2.3

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

$3 {(4 x^{\frac{3}{2}} - 2 x^{\frac{1}{2}})}^{2} (4 (\frac{3}{2} x^{\frac{3}{2} - 1}) + \frac{d}{d x} [- 2 x^{\frac{1}{2}}])$

Step 3

To write $- 1$ as a fraction with a common denominator, multiply by $\frac{2}{2}$ .

$3 {(4 x^{\frac{3}{2}} - 2 x^{\frac{1}{2}})}^{2} (4 (\frac{3}{2} x^{\frac{3}{2} - 1 \cdot \frac{2}{2}}) + \frac{d}{d x} [- 2 x^{\frac{1}{2}}])$

Step 4

Combine $- 1$ and $\frac{2}{2}$ .

$3 {(4 x^{\frac{3}{2}} - 2 x^{\frac{1}{2}})}^{2} (4 (\frac{3}{2} x^{\frac{3}{2} + \frac{- 1 \cdot 2}{2}}) + \frac{d}{d x} [- 2 x^{\frac{1}{2}}])$

Step 5

Combine the numerators over the common denominator.

$3 {(4 x^{\frac{3}{2}} - 2 x^{\frac{1}{2}})}^{2} (4 (\frac{3}{2} x^{\frac{3 - 1 \cdot 2}{2}}) + \frac{d}{d x} [- 2 x^{\frac{1}{2}}])$

Step 6

Simplify the numerator.

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Step 6.1

Multiply $- 1$ by $2$ .

$3 {(4 x^{\frac{3}{2}} - 2 x^{\frac{1}{2}})}^{2} (4 (\frac{3}{2} x^{\frac{3 - 2}{2}}) + \frac{d}{d x} [- 2 x^{\frac{1}{2}}])$

Step 6.2

Subtract $2$ from $3$ .

$3 {(4 x^{\frac{3}{2}} - 2 x^{\frac{1}{2}})}^{2} (4 (\frac{3}{2} x^{\frac{1}{2}}) + \frac{d}{d x} [- 2 x^{\frac{1}{2}}])$

Step 7

Combine $\frac{3}{2}$ and $x^{\frac{1}{2}}$ .

$3 {(4 x^{\frac{3}{2}} - 2 x^{\frac{1}{2}})}^{2} (4 \frac{3 x^{\frac{1}{2}}}{2} + \frac{d}{d x} [- 2 x^{\frac{1}{2}}])$

Step 8

Combine $4$ and $\frac{3 x^{\frac{1}{2}}}{2}$ .

$3 {(4 x^{\frac{3}{2}} - 2 x^{\frac{1}{2}})}^{2} (\frac{4 (3 x^{\frac{1}{2}})}{2} + \frac{d}{d x} [- 2 x^{\frac{1}{2}}])$

Step 9

Multiply $3$ by $4$ .

$3 {(4 x^{\frac{3}{2}} - 2 x^{\frac{1}{2}})}^{2} (\frac{12 x^{\frac{1}{2}}}{2} + \frac{d}{d x} [- 2 x^{\frac{1}{2}}])$

Step 10

Factor $2$ out of $12 x^{\frac{1}{2}}$ .

$3 {(4 x^{\frac{3}{2}} - 2 x^{\frac{1}{2}})}^{2} (\frac{2 (6 x^{\frac{1}{2}})}{2} + \frac{d}{d x} [- 2 x^{\frac{1}{2}}])$

Step 11

Cancel the common factors.

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Step 11.1

Factor $2$ out of $2$ .

$3 {(4 x^{\frac{3}{2}} - 2 x^{\frac{1}{2}})}^{2} (\frac{2 (6 x^{\frac{1}{2}})}{2 (1)} + \frac{d}{d x} [- 2 x^{\frac{1}{2}}])$

Step 11.2

Cancel the common factor.

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

Step 11.3

Rewrite the expression.

$3 {(4 x^{\frac{3}{2}} - 2 x^{\frac{1}{2}})}^{2} (\frac{6 x^{\frac{1}{2}}}{1} + \frac{d}{d x} [- 2 x^{\frac{1}{2}}])$

Step 11.4

Divide $6 x^{\frac{1}{2}}$ by $1$ .

$3 {(4 x^{\frac{3}{2}} - 2 x^{\frac{1}{2}})}^{2} (6 x^{\frac{1}{2}} + \frac{d}{d x} [- 2 x^{\frac{1}{2}}])$

Step 12

Since $- 2$ is constant with respect to $x$ , the derivative of $- 2 x^{\frac{1}{2}}$ with respect to $x$ is $- 2 \frac{d}{d x} [x^{\frac{1}{2}}]$ .

$3 {(4 x^{\frac{3}{2}} - 2 x^{\frac{1}{2}})}^{2} (6 x^{\frac{1}{2}} - 2 \frac{d}{d x} [x^{\frac{1}{2}}])$

Step 13

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

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

Step 14

To write $- 1$ as a fraction with a common denominator, multiply by $\frac{2}{2}$ .

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

Step 15

Combine $- 1$ and $\frac{2}{2}$ .

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

Step 16

Combine the numerators over the common denominator.

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

Step 17

Simplify the numerator.

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Step 17.1

Multiply $- 1$ by $2$ .

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

Step 17.2

Subtract $2$ from $1$ .

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

Step 18

Move the negative in front of the fraction.

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

Step 19

Combine $\frac{1}{2}$ and $x^{- \frac{1}{2}}$ .

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

Step 20

Combine $- 2$ and $\frac{x^{- \frac{1}{2}}}{2}$ .

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

Step 21

Move $x^{- \frac{1}{2}}$ to the denominator using the negative exponent rule $b^{- n} = \frac{1}{b^{n}}$ .

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

Step 22

Factor $2$ out of $- 2$ .

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

Step 23

Cancel the common factors.

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Step 23.1

Factor $2$ out of $2 x^{\frac{1}{2}}$ .

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

Step 23.2

Cancel the common factor.

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

Step 23.3

Rewrite the expression.

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

Step 24

Move the negative in front of the fraction.

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

Step 25

Simplify.

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Step 25.1

Rewrite ${(4 x^{\frac{3}{2}} - 2 x^{\frac{1}{2}})}^{2}$ as $(4 x^{\frac{3}{2}} - 2 x^{\frac{1}{2}}) (4 x^{\frac{3}{2}} - 2 x^{\frac{1}{2}})$ .

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

Step 25.2

Expand $(4 x^{\frac{3}{2}} - 2 x^{\frac{1}{2}}) (4 x^{\frac{3}{2}} - 2 x^{\frac{1}{2}})$ using the FOIL Method.

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Step 25.2.1

Apply the distributive property.

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

Step 25.2.2

Apply the distributive property.

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

Step 25.2.3

Apply the distributive property.

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

Step 25.3

Simplify and combine like terms.

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Step 25.3.1

Simplify each term.

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Step 25.3.1.1

Rewrite using the commutative property of multiplication.

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

Step 25.3.1.2

Multiply $x^{\frac{3}{2}}$ by $x^{\frac{3}{2}}$ by adding the exponents.

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Step 25.3.1.2.1

Move $x^{\frac{3}{2}}$ .

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

Step 25.3.1.2.2

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

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

Step 25.3.1.2.3

Combine the numerators over the common denominator.

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

Step 25.3.1.2.4

Add $3$ and $3$ .

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

Step 25.3.1.2.5

Divide $6$ by $2$ .

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

Step 25.3.1.3

Multiply $4$ by $4$ .

$3 (16 x^{3} + 4 x^{\frac{3}{2}} (- 2 x^{\frac{1}{2}}) - 2 x^{\frac{1}{2}} (4 x^{\frac{3}{2}}) - 2 x^{\frac{1}{2}} (- 2 x^{\frac{1}{2}})) (6 x^{\frac{1}{2}} - \frac{1}{x^{\frac{1}{2}}})$

Step 25.3.1.4

Rewrite using the commutative property of multiplication.

$3 (16 x^{3} + 4 \cdot - 2 x^{\frac{3}{2}} x^{\frac{1}{2}} - 2 x^{\frac{1}{2}} (4 x^{\frac{3}{2}}) - 2 x^{\frac{1}{2}} (- 2 x^{\frac{1}{2}})) (6 x^{\frac{1}{2}} - \frac{1}{x^{\frac{1}{2}}})$

Step 25.3.1.5

Multiply $x^{\frac{3}{2}}$ by $x^{\frac{1}{2}}$ by adding the exponents.

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Step 25.3.1.5.1

Move $x^{\frac{1}{2}}$ .

$3 (16 x^{3} + 4 \cdot - 2 (x^{\frac{1}{2}} x^{\frac{3}{2}}) - 2 x^{\frac{1}{2}} (4 x^{\frac{3}{2}}) - 2 x^{\frac{1}{2}} (- 2 x^{\frac{1}{2}})) (6 x^{\frac{1}{2}} - \frac{1}{x^{\frac{1}{2}}})$

Step 25.3.1.5.2

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

$3 (16 x^{3} + 4 \cdot - 2 x^{\frac{1}{2} + \frac{3}{2}} - 2 x^{\frac{1}{2}} (4 x^{\frac{3}{2}}) - 2 x^{\frac{1}{2}} (- 2 x^{\frac{1}{2}})) (6 x^{\frac{1}{2}} - \frac{1}{x^{\frac{1}{2}}})$

Step 25.3.1.5.3

Combine the numerators over the common denominator.

$3 (16 x^{3} + 4 \cdot - 2 x^{\frac{1 + 3}{2}} - 2 x^{\frac{1}{2}} (4 x^{\frac{3}{2}}) - 2 x^{\frac{1}{2}} (- 2 x^{\frac{1}{2}})) (6 x^{\frac{1}{2}} - \frac{1}{x^{\frac{1}{2}}})$

Step 25.3.1.5.4

Add $1$ and $3$ .

$3 (16 x^{3} + 4 \cdot - 2 x^{\frac{4}{2}} - 2 x^{\frac{1}{2}} (4 x^{\frac{3}{2}}) - 2 x^{\frac{1}{2}} (- 2 x^{\frac{1}{2}})) (6 x^{\frac{1}{2}} - \frac{1}{x^{\frac{1}{2}}})$

Step 25.3.1.5.5

Divide $4$ by $2$ .

$3 (16 x^{3} + 4 \cdot - 2 x^{2} - 2 x^{\frac{1}{2}} (4 x^{\frac{3}{2}}) - 2 x^{\frac{1}{2}} (- 2 x^{\frac{1}{2}})) (6 x^{\frac{1}{2}} - \frac{1}{x^{\frac{1}{2}}})$

Step 25.3.1.6

Multiply $4$ by $- 2$ .

$3 (16 x^{3} - 8 x^{2} - 2 x^{\frac{1}{2}} (4 x^{\frac{3}{2}}) - 2 x^{\frac{1}{2}} (- 2 x^{\frac{1}{2}})) (6 x^{\frac{1}{2}} - \frac{1}{x^{\frac{1}{2}}})$

Step 25.3.1.7

Rewrite using the commutative property of multiplication.

$3 (16 x^{3} - 8 x^{2} - 2 \cdot 4 x^{\frac{1}{2}} x^{\frac{3}{2}} - 2 x^{\frac{1}{2}} (- 2 x^{\frac{1}{2}})) (6 x^{\frac{1}{2}} - \frac{1}{x^{\frac{1}{2}}})$

Step 25.3.1.8

Multiply $x^{\frac{1}{2}}$ by $x^{\frac{3}{2}}$ by adding the exponents.

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Step 25.3.1.8.1

Move $x^{\frac{3}{2}}$ .

$3 (16 x^{3} - 8 x^{2} - 2 \cdot 4 (x^{\frac{3}{2}} x^{\frac{1}{2}}) - 2 x^{\frac{1}{2}} (- 2 x^{\frac{1}{2}})) (6 x^{\frac{1}{2}} - \frac{1}{x^{\frac{1}{2}}})$

Step 25.3.1.8.2

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

$3 (16 x^{3} - 8 x^{2} - 2 \cdot 4 x^{\frac{3}{2} + \frac{1}{2}} - 2 x^{\frac{1}{2}} (- 2 x^{\frac{1}{2}})) (6 x^{\frac{1}{2}} - \frac{1}{x^{\frac{1}{2}}})$

Step 25.3.1.8.3

Combine the numerators over the common denominator.

$3 (16 x^{3} - 8 x^{2} - 2 \cdot 4 x^{\frac{3 + 1}{2}} - 2 x^{\frac{1}{2}} (- 2 x^{\frac{1}{2}})) (6 x^{\frac{1}{2}} - \frac{1}{x^{\frac{1}{2}}})$

Step 25.3.1.8.4

Add $3$ and $1$ .

$3 (16 x^{3} - 8 x^{2} - 2 \cdot 4 x^{\frac{4}{2}} - 2 x^{\frac{1}{2}} (- 2 x^{\frac{1}{2}})) (6 x^{\frac{1}{2}} - \frac{1}{x^{\frac{1}{2}}})$

Step 25.3.1.8.5

Divide $4$ by $2$ .

$3 (16 x^{3} - 8 x^{2} - 2 \cdot 4 x^{2} - 2 x^{\frac{1}{2}} (- 2 x^{\frac{1}{2}})) (6 x^{\frac{1}{2}} - \frac{1}{x^{\frac{1}{2}}})$

Step 25.3.1.9

Multiply $- 2$ by $4$ .

$3 (16 x^{3} - 8 x^{2} - 8 x^{2} - 2 x^{\frac{1}{2}} (- 2 x^{\frac{1}{2}})) (6 x^{\frac{1}{2}} - \frac{1}{x^{\frac{1}{2}}})$

Step 25.3.1.10

Rewrite using the commutative property of multiplication.

$3 (16 x^{3} - 8 x^{2} - 8 x^{2} - 2 \cdot - 2 x^{\frac{1}{2}} x^{\frac{1}{2}}) (6 x^{\frac{1}{2}} - \frac{1}{x^{\frac{1}{2}}})$

Step 25.3.1.11

Multiply $x^{\frac{1}{2}}$ by $x^{\frac{1}{2}}$ by adding the exponents.

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Step 25.3.1.11.1

Move $x^{\frac{1}{2}}$ .

$3 (16 x^{3} - 8 x^{2} - 8 x^{2} - 2 \cdot - 2 (x^{\frac{1}{2}} x^{\frac{1}{2}})) (6 x^{\frac{1}{2}} - \frac{1}{x^{\frac{1}{2}}})$

Step 25.3.1.11.2

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

$3 (16 x^{3} - 8 x^{2} - 8 x^{2} - 2 \cdot - 2 x^{\frac{1}{2} + \frac{1}{2}}) (6 x^{\frac{1}{2}} - \frac{1}{x^{\frac{1}{2}}})$

Step 25.3.1.11.3

Combine the numerators over the common denominator.

$3 (16 x^{3} - 8 x^{2} - 8 x^{2} - 2 \cdot - 2 x^{\frac{1 + 1}{2}}) (6 x^{\frac{1}{2}} - \frac{1}{x^{\frac{1}{2}}})$

Step 25.3.1.11.4

Add $1$ and $1$ .

$3 (16 x^{3} - 8 x^{2} - 8 x^{2} - 2 \cdot - 2 x^{\frac{2}{2}}) (6 x^{\frac{1}{2}} - \frac{1}{x^{\frac{1}{2}}})$

Step 25.3.1.11.5

Divide $2$ by $2$ .

$3 (16 x^{3} - 8 x^{2} - 8 x^{2} - 2 \cdot - 2 x^{1}) (6 x^{\frac{1}{2}} - \frac{1}{x^{\frac{1}{2}}})$

Step 25.3.1.12

Simplify $- 2 \cdot - 2 x^{1}$ .

$3 (16 x^{3} - 8 x^{2} - 8 x^{2} - 2 \cdot - 2 x) (6 x^{\frac{1}{2}} - \frac{1}{x^{\frac{1}{2}}})$

Step 25.3.1.13

Multiply $- 2$ by $- 2$ .

$3 (16 x^{3} - 8 x^{2} - 8 x^{2} + 4 x) (6 x^{\frac{1}{2}} - \frac{1}{x^{\frac{1}{2}}})$

Step 25.3.2

Subtract $8 x^{2}$ from $- 8 x^{2}$ .

$3 (16 x^{3} - 16 x^{2} + 4 x) (6 x^{\frac{1}{2}} - \frac{1}{x^{\frac{1}{2}}})$

Step 25.4

Apply the distributive property.

$(3 (16 x^{3}) + 3 (- 16 x^{2}) + 3 (4 x)) (6 x^{\frac{1}{2}} - \frac{1}{x^{\frac{1}{2}}})$

Step 25.5

Simplify.

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Step 25.5.1

Multiply $16$ by $3$ .

$(48 x^{3} + 3 (- 16 x^{2}) + 3 (4 x)) (6 x^{\frac{1}{2}} - \frac{1}{x^{\frac{1}{2}}})$

Step 25.5.2

Multiply $- 16$ by $3$ .

$(48 x^{3} - 48 x^{2} + 3 (4 x)) (6 x^{\frac{1}{2}} - \frac{1}{x^{\frac{1}{2}}})$

Step 25.5.3

Multiply $4$ by $3$ .

$(48 x^{3} - 48 x^{2} + 12 x) (6 x^{\frac{1}{2}} - \frac{1}{x^{\frac{1}{2}}})$

Step 25.6

Expand $(48 x^{3} - 48 x^{2} + 12 x) (6 x^{\frac{1}{2}} - \frac{1}{x^{\frac{1}{2}}})$ by multiplying each term in the first expression by each term in the second expression.

$48 x^{3} (6 x^{\frac{1}{2}}) + 48 x^{3} (- \frac{1}{x^{\frac{1}{2}}}) - 48 x^{2} (6 x^{\frac{1}{2}}) - 48 x^{2} (- \frac{1}{x^{\frac{1}{2}}}) + 12 x (6 x^{\frac{1}{2}}) + 12 x (- \frac{1}{x^{\frac{1}{2}}})$

Step 25.7

Simplify each term.

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Step 25.7.1

Rewrite using the commutative property of multiplication.

$48 \cdot 6 x^{3} x^{\frac{1}{2}} + 48 x^{3} (- \frac{1}{x^{\frac{1}{2}}}) - 48 x^{2} (6 x^{\frac{1}{2}}) - 48 x^{2} (- \frac{1}{x^{\frac{1}{2}}}) + 12 x (6 x^{\frac{1}{2}}) + 12 x (- \frac{1}{x^{\frac{1}{2}}})$

Step 25.7.2

Multiply $x^{3}$ by $x^{\frac{1}{2}}$ by adding the exponents.

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Step 25.7.2.1

Move $x^{\frac{1}{2}}$ .

$48 \cdot 6 (x^{\frac{1}{2}} x^{3}) + 48 x^{3} (- \frac{1}{x^{\frac{1}{2}}}) - 48 x^{2} (6 x^{\frac{1}{2}}) - 48 x^{2} (- \frac{1}{x^{\frac{1}{2}}}) + 12 x (6 x^{\frac{1}{2}}) + 12 x (- \frac{1}{x^{\frac{1}{2}}})$

Step 25.7.2.2

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

$48 \cdot 6 x^{\frac{1}{2} + 3} + 48 x^{3} (- \frac{1}{x^{\frac{1}{2}}}) - 48 x^{2} (6 x^{\frac{1}{2}}) - 48 x^{2} (- \frac{1}{x^{\frac{1}{2}}}) + 12 x (6 x^{\frac{1}{2}}) + 12 x (- \frac{1}{x^{\frac{1}{2}}})$

Step 25.7.2.3

To write $3$ as a fraction with a common denominator, multiply by $\frac{2}{2}$ .

$48 \cdot 6 x^{\frac{1}{2} + 3 \cdot \frac{2}{2}} + 48 x^{3} (- \frac{1}{x^{\frac{1}{2}}}) - 48 x^{2} (6 x^{\frac{1}{2}}) - 48 x^{2} (- \frac{1}{x^{\frac{1}{2}}}) + 12 x (6 x^{\frac{1}{2}}) + 12 x (- \frac{1}{x^{\frac{1}{2}}})$

Step 25.7.2.4

Combine $3$ and $\frac{2}{2}$ .

$48 \cdot 6 x^{\frac{1}{2} + \frac{3 \cdot 2}{2}} + 48 x^{3} (- \frac{1}{x^{\frac{1}{2}}}) - 48 x^{2} (6 x^{\frac{1}{2}}) - 48 x^{2} (- \frac{1}{x^{\frac{1}{2}}}) + 12 x (6 x^{\frac{1}{2}}) + 12 x (- \frac{1}{x^{\frac{1}{2}}})$

Step 25.7.2.5

Combine the numerators over the common denominator.

$48 \cdot 6 x^{\frac{1 + 3 \cdot 2}{2}} + 48 x^{3} (- \frac{1}{x^{\frac{1}{2}}}) - 48 x^{2} (6 x^{\frac{1}{2}}) - 48 x^{2} (- \frac{1}{x^{\frac{1}{2}}}) + 12 x (6 x^{\frac{1}{2}}) + 12 x (- \frac{1}{x^{\frac{1}{2}}})$

Step 25.7.2.6

Simplify the numerator.

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Step 25.7.2.6.1

Multiply $3$ by $2$ .

$48 \cdot 6 x^{\frac{1 + 6}{2}} + 48 x^{3} (- \frac{1}{x^{\frac{1}{2}}}) - 48 x^{2} (6 x^{\frac{1}{2}}) - 48 x^{2} (- \frac{1}{x^{\frac{1}{2}}}) + 12 x (6 x^{\frac{1}{2}}) + 12 x (- \frac{1}{x^{\frac{1}{2}}})$

Step 25.7.2.6.2

Add $1$ and $6$ .

$48 \cdot 6 x^{\frac{7}{2}} + 48 x^{3} (- \frac{1}{x^{\frac{1}{2}}}) - 48 x^{2} (6 x^{\frac{1}{2}}) - 48 x^{2} (- \frac{1}{x^{\frac{1}{2}}}) + 12 x (6 x^{\frac{1}{2}}) + 12 x (- \frac{1}{x^{\frac{1}{2}}})$

Step 25.7.3

Multiply $48$ by $6$ .

$288 x^{\frac{7}{2}} + 48 x^{3} (- \frac{1}{x^{\frac{1}{2}}}) - 48 x^{2} (6 x^{\frac{1}{2}}) - 48 x^{2} (- \frac{1}{x^{\frac{1}{2}}}) + 12 x (6 x^{\frac{1}{2}}) + 12 x (- \frac{1}{x^{\frac{1}{2}}})$

Step 25.7.4

Cancel the common factor of $x^{\frac{1}{2}}$ .

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Step 25.7.4.1

Move the leading negative in $- \frac{1}{x^{\frac{1}{2}}}$ into the numerator.

$288 x^{\frac{7}{2}} + 48 x^{3} \frac{- 1}{x^{\frac{1}{2}}} - 48 x^{2} (6 x^{\frac{1}{2}}) - 48 x^{2} (- \frac{1}{x^{\frac{1}{2}}}) + 12 x (6 x^{\frac{1}{2}}) + 12 x (- \frac{1}{x^{\frac{1}{2}}})$

Step 25.7.4.2

Factor $x^{\frac{1}{2}}$ out of $48 x^{3}$ .

$288 x^{\frac{7}{2}} + x^{\frac{1}{2}} (48 x^{\frac{5}{2}}) \frac{- 1}{x^{\frac{1}{2}}} - 48 x^{2} (6 x^{\frac{1}{2}}) - 48 x^{2} (- \frac{1}{x^{\frac{1}{2}}}) + 12 x (6 x^{\frac{1}{2}}) + 12 x (- \frac{1}{x^{\frac{1}{2}}})$

Step 25.7.4.3

Cancel the common factor.

Step 25.7.4.4

Rewrite the expression.

$288 x^{\frac{7}{2}} + 48 x^{\frac{5}{2}} \cdot - 1 - 48 x^{2} (6 x^{\frac{1}{2}}) - 48 x^{2} (- \frac{1}{x^{\frac{1}{2}}}) + 12 x (6 x^{\frac{1}{2}}) + 12 x (- \frac{1}{x^{\frac{1}{2}}})$

Step 25.7.5

Multiply $- 1$ by $48$ .

$288 x^{\frac{7}{2}} - 48 x^{\frac{5}{2}} - 48 x^{2} (6 x^{\frac{1}{2}}) - 48 x^{2} (- \frac{1}{x^{\frac{1}{2}}}) + 12 x (6 x^{\frac{1}{2}}) + 12 x (- \frac{1}{x^{\frac{1}{2}}})$

Step 25.7.6

Rewrite using the commutative property of multiplication.

$288 x^{\frac{7}{2}} - 48 x^{\frac{5}{2}} - 48 \cdot 6 x^{2} x^{\frac{1}{2}} - 48 x^{2} (- \frac{1}{x^{\frac{1}{2}}}) + 12 x (6 x^{\frac{1}{2}}) + 12 x (- \frac{1}{x^{\frac{1}{2}}})$

Step 25.7.7

Multiply $x^{2}$ by $x^{\frac{1}{2}}$ by adding the exponents.

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Step 25.7.7.1

Move $x^{\frac{1}{2}}$ .

$288 x^{\frac{7}{2}} - 48 x^{\frac{5}{2}} - 48 \cdot 6 (x^{\frac{1}{2}} x^{2}) - 48 x^{2} (- \frac{1}{x^{\frac{1}{2}}}) + 12 x (6 x^{\frac{1}{2}}) + 12 x (- \frac{1}{x^{\frac{1}{2}}})$

Step 25.7.7.2

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

$288 x^{\frac{7}{2}} - 48 x^{\frac{5}{2}} - 48 \cdot 6 x^{\frac{1}{2} + 2} - 48 x^{2} (- \frac{1}{x^{\frac{1}{2}}}) + 12 x (6 x^{\frac{1}{2}}) + 12 x (- \frac{1}{x^{\frac{1}{2}}})$

Step 25.7.7.3

To write $2$ as a fraction with a common denominator, multiply by $\frac{2}{2}$ .

$288 x^{\frac{7}{2}} - 48 x^{\frac{5}{2}} - 48 \cdot 6 x^{\frac{1}{2} + 2 \cdot \frac{2}{2}} - 48 x^{2} (- \frac{1}{x^{\frac{1}{2}}}) + 12 x (6 x^{\frac{1}{2}}) + 12 x (- \frac{1}{x^{\frac{1}{2}}})$

Step 25.7.7.4

Combine $2$ and $\frac{2}{2}$ .

$288 x^{\frac{7}{2}} - 48 x^{\frac{5}{2}} - 48 \cdot 6 x^{\frac{1}{2} + \frac{2 \cdot 2}{2}} - 48 x^{2} (- \frac{1}{x^{\frac{1}{2}}}) + 12 x (6 x^{\frac{1}{2}}) + 12 x (- \frac{1}{x^{\frac{1}{2}}})$

Step 25.7.7.5

Combine the numerators over the common denominator.

$288 x^{\frac{7}{2}} - 48 x^{\frac{5}{2}} - 48 \cdot 6 x^{\frac{1 + 2 \cdot 2}{2}} - 48 x^{2} (- \frac{1}{x^{\frac{1}{2}}}) + 12 x (6 x^{\frac{1}{2}}) + 12 x (- \frac{1}{x^{\frac{1}{2}}})$

Step 25.7.7.6

Simplify the numerator.

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Step 25.7.7.6.1

Multiply $2$ by $2$ .

$288 x^{\frac{7}{2}} - 48 x^{\frac{5}{2}} - 48 \cdot 6 x^{\frac{1 + 4}{2}} - 48 x^{2} (- \frac{1}{x^{\frac{1}{2}}}) + 12 x (6 x^{\frac{1}{2}}) + 12 x (- \frac{1}{x^{\frac{1}{2}}})$

Step 25.7.7.6.2

Add $1$ and $4$ .

$288 x^{\frac{7}{2}} - 48 x^{\frac{5}{2}} - 48 \cdot 6 x^{\frac{5}{2}} - 48 x^{2} (- \frac{1}{x^{\frac{1}{2}}}) + 12 x (6 x^{\frac{1}{2}}) + 12 x (- \frac{1}{x^{\frac{1}{2}}})$

Step 25.7.8

Multiply $- 48$ by $6$ .

$288 x^{\frac{7}{2}} - 48 x^{\frac{5}{2}} - 288 x^{\frac{5}{2}} - 48 x^{2} (- \frac{1}{x^{\frac{1}{2}}}) + 12 x (6 x^{\frac{1}{2}}) + 12 x (- \frac{1}{x^{\frac{1}{2}}})$

Step 25.7.9

Cancel the common factor of $x^{\frac{1}{2}}$ .

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Step 25.7.9.1

Move the leading negative in $- \frac{1}{x^{\frac{1}{2}}}$ into the numerator.

$288 x^{\frac{7}{2}} - 48 x^{\frac{5}{2}} - 288 x^{\frac{5}{2}} - 48 x^{2} \frac{- 1}{x^{\frac{1}{2}}} + 12 x (6 x^{\frac{1}{2}}) + 12 x (- \frac{1}{x^{\frac{1}{2}}})$

Step 25.7.9.2

Factor $x^{\frac{1}{2}}$ out of $- 48 x^{2}$ .

$288 x^{\frac{7}{2}} - 48 x^{\frac{5}{2}} - 288 x^{\frac{5}{2}} + x^{\frac{1}{2}} (- 48 x^{\frac{3}{2}}) \frac{- 1}{x^{\frac{1}{2}}} + 12 x (6 x^{\frac{1}{2}}) + 12 x (- \frac{1}{x^{\frac{1}{2}}})$

Step 25.7.9.3

Cancel the common factor.

$288 x^{\frac{7}{2}} - 48 x^{\frac{5}{2}} - 288 x^{\frac{5}{2}} + x^{\frac{1}{2}} (- 48 x^{\frac{3}{2}}) \frac{- 1}{x^{\frac{1}{2}}} + 12 x (6 x^{\frac{1}{2}}) + 12 x (- \frac{1}{x^{\frac{1}{2}}})$

Step 25.7.9.4

Rewrite the expression.

$288 x^{\frac{7}{2}} - 48 x^{\frac{5}{2}} - 288 x^{\frac{5}{2}} - 48 x^{\frac{3}{2}} \cdot - 1 + 12 x (6 x^{\frac{1}{2}}) + 12 x (- \frac{1}{x^{\frac{1}{2}}})$

Step 25.7.10

Multiply $- 1$ by $- 48$ .

$288 x^{\frac{7}{2}} - 48 x^{\frac{5}{2}} - 288 x^{\frac{5}{2}} + 48 x^{\frac{3}{2}} + 12 x (6 x^{\frac{1}{2}}) + 12 x (- \frac{1}{x^{\frac{1}{2}}})$

Step 25.7.11

Rewrite using the commutative property of multiplication.

$288 x^{\frac{7}{2}} - 48 x^{\frac{5}{2}} - 288 x^{\frac{5}{2}} + 48 x^{\frac{3}{2}} + 12 \cdot 6 x \cdot x^{\frac{1}{2}} + 12 x (- \frac{1}{x^{\frac{1}{2}}})$

Step 25.7.12

Multiply $x$ by $x^{\frac{1}{2}}$ by adding the exponents.

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Step 25.7.12.1

Move $x^{\frac{1}{2}}$ .

$288 x^{\frac{7}{2}} - 48 x^{\frac{5}{2}} - 288 x^{\frac{5}{2}} + 48 x^{\frac{3}{2}} + 12 \cdot 6 (x^{\frac{1}{2}} x) + 12 x (- \frac{1}{x^{\frac{1}{2}}})$

Step 25.7.12.2

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

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Step 25.7.12.2.1

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

$288 x^{\frac{7}{2}} - 48 x^{\frac{5}{2}} - 288 x^{\frac{5}{2}} + 48 x^{\frac{3}{2}} + 12 \cdot 6 (x^{\frac{1}{2}} x^{1}) + 12 x (- \frac{1}{x^{\frac{1}{2}}})$

Step 25.7.12.2.2

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

$288 x^{\frac{7}{2}} - 48 x^{\frac{5}{2}} - 288 x^{\frac{5}{2}} + 48 x^{\frac{3}{2}} + 12 \cdot 6 x^{\frac{1}{2} + 1} + 12 x (- \frac{1}{x^{\frac{1}{2}}})$

Step 25.7.12.3

Write $1$ as a fraction with a common denominator.

$288 x^{\frac{7}{2}} - 48 x^{\frac{5}{2}} - 288 x^{\frac{5}{2}} + 48 x^{\frac{3}{2}} + 12 \cdot 6 x^{\frac{1}{2} + \frac{2}{2}} + 12 x (- \frac{1}{x^{\frac{1}{2}}})$

Step 25.7.12.4

Combine the numerators over the common denominator.

$288 x^{\frac{7}{2}} - 48 x^{\frac{5}{2}} - 288 x^{\frac{5}{2}} + 48 x^{\frac{3}{2}} + 12 \cdot 6 x^{\frac{1 + 2}{2}} + 12 x (- \frac{1}{x^{\frac{1}{2}}})$

Step 25.7.12.5

Add $1$ and $2$ .

$288 x^{\frac{7}{2}} - 48 x^{\frac{5}{2}} - 288 x^{\frac{5}{2}} + 48 x^{\frac{3}{2}} + 12 \cdot 6 x^{\frac{3}{2}} + 12 x (- \frac{1}{x^{\frac{1}{2}}})$

Step 25.7.13

Multiply $12$ by $6$ .

$288 x^{\frac{7}{2}} - 48 x^{\frac{5}{2}} - 288 x^{\frac{5}{2}} + 48 x^{\frac{3}{2}} + 72 x^{\frac{3}{2}} + 12 x (- \frac{1}{x^{\frac{1}{2}}})$

Step 25.7.14

Multiply $12 x (- \frac{1}{x^{\frac{1}{2}}})$ .

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Step 25.7.14.1

Multiply $- 1$ by $12$ .

$288 x^{\frac{7}{2}} - 48 x^{\frac{5}{2}} - 288 x^{\frac{5}{2}} + 48 x^{\frac{3}{2}} + 72 x^{\frac{3}{2}} - 12 x \frac{1}{x^{\frac{1}{2}}}$

Step 25.7.14.2

Combine $- 12$ and $\frac{1}{x^{\frac{1}{2}}}$ .

$288 x^{\frac{7}{2}} - 48 x^{\frac{5}{2}} - 288 x^{\frac{5}{2}} + 48 x^{\frac{3}{2}} + 72 x^{\frac{3}{2}} + x \frac{- 12}{x^{\frac{1}{2}}}$

Step 25.7.14.3

Combine $x$ and $\frac{- 12}{x^{\frac{1}{2}}}$ .

$288 x^{\frac{7}{2}} - 48 x^{\frac{5}{2}} - 288 x^{\frac{5}{2}} + 48 x^{\frac{3}{2}} + 72 x^{\frac{3}{2}} + \frac{x \cdot - 12}{x^{\frac{1}{2}}}$

Step 25.7.15

Move $x^{\frac{1}{2}}$ to the numerator using the negative exponent rule $\frac{1}{b^{n}} = b^{- n}$ .

$288 x^{\frac{7}{2}} - 48 x^{\frac{5}{2}} - 288 x^{\frac{5}{2}} + 48 x^{\frac{3}{2}} + 72 x^{\frac{3}{2}} + x \cdot - 12 x^{- \frac{1}{2}}$

Step 25.7.16

Multiply $x$ by $x^{- \frac{1}{2}}$ by adding the exponents.

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Step 25.7.16.1

Move $x^{- \frac{1}{2}}$ .

$288 x^{\frac{7}{2}} - 48 x^{\frac{5}{2}} - 288 x^{\frac{5}{2}} + 48 x^{\frac{3}{2}} + 72 x^{\frac{3}{2}} + x^{- \frac{1}{2}} x \cdot - 12$

Step 25.7.16.2

Multiply $x^{- \frac{1}{2}}$ by $x$ .

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Step 25.7.16.2.1

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

$288 x^{\frac{7}{2}} - 48 x^{\frac{5}{2}} - 288 x^{\frac{5}{2}} + 48 x^{\frac{3}{2}} + 72 x^{\frac{3}{2}} + x^{- \frac{1}{2}} x^{1} \cdot - 12$

Step 25.7.16.2.2

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

$288 x^{\frac{7}{2}} - 48 x^{\frac{5}{2}} - 288 x^{\frac{5}{2}} + 48 x^{\frac{3}{2}} + 72 x^{\frac{3}{2}} + x^{- \frac{1}{2} + 1} \cdot - 12$

Step 25.7.16.3

Write $1$ as a fraction with a common denominator.

$288 x^{\frac{7}{2}} - 48 x^{\frac{5}{2}} - 288 x^{\frac{5}{2}} + 48 x^{\frac{3}{2}} + 72 x^{\frac{3}{2}} + x^{- \frac{1}{2} + \frac{2}{2}} \cdot - 12$

Step 25.7.16.4

Combine the numerators over the common denominator.

$288 x^{\frac{7}{2}} - 48 x^{\frac{5}{2}} - 288 x^{\frac{5}{2}} + 48 x^{\frac{3}{2}} + 72 x^{\frac{3}{2}} + x^{\frac{- 1 + 2}{2}} \cdot - 12$

Step 25.7.16.5

Add $- 1$ and $2$ .

$288 x^{\frac{7}{2}} - 48 x^{\frac{5}{2}} - 288 x^{\frac{5}{2}} + 48 x^{\frac{3}{2}} + 72 x^{\frac{3}{2}} + x^{\frac{1}{2}} \cdot - 12$

Step 25.7.17

Move $- 12$ to the left of $x^{\frac{1}{2}}$ .

$288 x^{\frac{7}{2}} - 48 x^{\frac{5}{2}} - 288 x^{\frac{5}{2}} + 48 x^{\frac{3}{2}} + 72 x^{\frac{3}{2}} - 12 x^{\frac{1}{2}}$

Step 25.8

Subtract $288 x^{\frac{5}{2}}$ from $- 48 x^{\frac{5}{2}}$ .

$288 x^{\frac{7}{2}} - 336 x^{\frac{5}{2}} + 48 x^{\frac{3}{2}} + 72 x^{\frac{3}{2}} - 12 x^{\frac{1}{2}}$

Step 25.9

Add $48 x^{\frac{3}{2}}$ and $72 x^{\frac{3}{2}}$ .

$288 x^{\frac{7}{2}} - 336 x^{\frac{5}{2}} + 120 x^{\frac{3}{2}} - 12 x^{\frac{1}{2}}$