Precalculus Examples

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

Step 1

Simplify each term.

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Step 1.1

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

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

Step 1.2

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

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

Step 2

Use the Binomial Theorem.

${(\frac{3 x}{2})}^{5} + 5 {(\frac{3 x}{2})}^{4} (- \frac{y}{2}) + 10 {(\frac{3 x}{2})}^{3} {(- \frac{y}{2})}^{2} + 10 {(\frac{3 x}{2})}^{2} {(- \frac{y}{2})}^{3} + 5 \frac{3 x}{2} {(- \frac{y}{2})}^{4} + {(- \frac{y}{2})}^{5}$

Step 3

Simplify each term.

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Step 3.1

Use the power rule ${(a b)}^{n} = a^{n} b^{n}$ to distribute the exponent.

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Step 3.1.1

Apply the product rule to $\frac{3 x}{2}$ .

$\frac{{(3 x)}^{5}}{2^{5}} + 5 {(\frac{3 x}{2})}^{4} (- \frac{y}{2}) + 10 {(\frac{3 x}{2})}^{3} {(- \frac{y}{2})}^{2} + 10 {(\frac{3 x}{2})}^{2} {(- \frac{y}{2})}^{3} + 5 \frac{3 x}{2} {(- \frac{y}{2})}^{4} + {(- \frac{y}{2})}^{5}$

Step 3.1.2

Apply the product rule to $3 x$ .

$\frac{3^{5} x^{5}}{2^{5}} + 5 {(\frac{3 x}{2})}^{4} (- \frac{y}{2}) + 10 {(\frac{3 x}{2})}^{3} {(- \frac{y}{2})}^{2} + 10 {(\frac{3 x}{2})}^{2} {(- \frac{y}{2})}^{3} + 5 \frac{3 x}{2} {(- \frac{y}{2})}^{4} + {(- \frac{y}{2})}^{5}$

Step 3.2

Raise $3$ to the power of $5$ .

$\frac{243 x^{5}}{2^{5}} + 5 {(\frac{3 x}{2})}^{4} (- \frac{y}{2}) + 10 {(\frac{3 x}{2})}^{3} {(- \frac{y}{2})}^{2} + 10 {(\frac{3 x}{2})}^{2} {(- \frac{y}{2})}^{3} + 5 \frac{3 x}{2} {(- \frac{y}{2})}^{4} + {(- \frac{y}{2})}^{5}$

Step 3.3

Raise $2$ to the power of $5$ .

$\frac{243 x^{5}}{32} + 5 {(\frac{3 x}{2})}^{4} (- \frac{y}{2}) + 10 {(\frac{3 x}{2})}^{3} {(- \frac{y}{2})}^{2} + 10 {(\frac{3 x}{2})}^{2} {(- \frac{y}{2})}^{3} + 5 \frac{3 x}{2} {(- \frac{y}{2})}^{4} + {(- \frac{y}{2})}^{5}$

Step 3.4

Use the power rule ${(a b)}^{n} = a^{n} b^{n}$ to distribute the exponent.

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Step 3.4.1

Apply the product rule to $\frac{3 x}{2}$ .

$\frac{243 x^{5}}{32} + 5 \frac{{(3 x)}^{4}}{2^{4}} (- \frac{y}{2}) + 10 {(\frac{3 x}{2})}^{3} {(- \frac{y}{2})}^{2} + 10 {(\frac{3 x}{2})}^{2} {(- \frac{y}{2})}^{3} + 5 \frac{3 x}{2} {(- \frac{y}{2})}^{4} + {(- \frac{y}{2})}^{5}$

Step 3.4.2

Apply the product rule to $3 x$ .

$\frac{243 x^{5}}{32} + 5 \frac{3^{4} x^{4}}{2^{4}} (- \frac{y}{2}) + 10 {(\frac{3 x}{2})}^{3} {(- \frac{y}{2})}^{2} + 10 {(\frac{3 x}{2})}^{2} {(- \frac{y}{2})}^{3} + 5 \frac{3 x}{2} {(- \frac{y}{2})}^{4} + {(- \frac{y}{2})}^{5}$

Step 3.5

Raise $3$ to the power of $4$ .

$\frac{243 x^{5}}{32} + 5 \frac{81 x^{4}}{2^{4}} (- \frac{y}{2}) + 10 {(\frac{3 x}{2})}^{3} {(- \frac{y}{2})}^{2} + 10 {(\frac{3 x}{2})}^{2} {(- \frac{y}{2})}^{3} + 5 \frac{3 x}{2} {(- \frac{y}{2})}^{4} + {(- \frac{y}{2})}^{5}$

Step 3.6

Raise $2$ to the power of $4$ .

$\frac{243 x^{5}}{32} + 5 \frac{81 x^{4}}{16} (- \frac{y}{2}) + 10 {(\frac{3 x}{2})}^{3} {(- \frac{y}{2})}^{2} + 10 {(\frac{3 x}{2})}^{2} {(- \frac{y}{2})}^{3} + 5 \frac{3 x}{2} {(- \frac{y}{2})}^{4} + {(- \frac{y}{2})}^{5}$

Step 3.7

Multiply $5 \frac{81 x^{4}}{16}$ .

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Step 3.7.1

Combine $5$ and $\frac{81 x^{4}}{16}$ .

$\frac{243 x^{5}}{32} + \frac{5 (81 x^{4})}{16} (- \frac{y}{2}) + 10 {(\frac{3 x}{2})}^{3} {(- \frac{y}{2})}^{2} + 10 {(\frac{3 x}{2})}^{2} {(- \frac{y}{2})}^{3} + 5 \frac{3 x}{2} {(- \frac{y}{2})}^{4} + {(- \frac{y}{2})}^{5}$

Step 3.7.2

Multiply $81$ by $5$ .

$\frac{243 x^{5}}{32} + \frac{405 x^{4}}{16} (- \frac{y}{2}) + 10 {(\frac{3 x}{2})}^{3} {(- \frac{y}{2})}^{2} + 10 {(\frac{3 x}{2})}^{2} {(- \frac{y}{2})}^{3} + 5 \frac{3 x}{2} {(- \frac{y}{2})}^{4} + {(- \frac{y}{2})}^{5}$

Step 3.8

Rewrite using the commutative property of multiplication.

$\frac{243 x^{5}}{32} - \frac{405 x^{4}}{16} \cdot \frac{y}{2} + 10 {(\frac{3 x}{2})}^{3} {(- \frac{y}{2})}^{2} + 10 {(\frac{3 x}{2})}^{2} {(- \frac{y}{2})}^{3} + 5 \frac{3 x}{2} {(- \frac{y}{2})}^{4} + {(- \frac{y}{2})}^{5}$

Step 3.9

Multiply $- \frac{405 x^{4}}{16} \cdot \frac{y}{2}$ .

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Step 3.9.1

Multiply $\frac{y}{2}$ by $\frac{405 x^{4}}{16}$ .

$\frac{243 x^{5}}{32} - \frac{y (405 x^{4})}{2 \cdot 16} + 10 {(\frac{3 x}{2})}^{3} {(- \frac{y}{2})}^{2} + 10 {(\frac{3 x}{2})}^{2} {(- \frac{y}{2})}^{3} + 5 \frac{3 x}{2} {(- \frac{y}{2})}^{4} + {(- \frac{y}{2})}^{5}$

Step 3.9.2

Multiply $2$ by $16$ .

$\frac{243 x^{5}}{32} - \frac{y (405 x^{4})}{32} + 10 {(\frac{3 x}{2})}^{3} {(- \frac{y}{2})}^{2} + 10 {(\frac{3 x}{2})}^{2} {(- \frac{y}{2})}^{3} + 5 \frac{3 x}{2} {(- \frac{y}{2})}^{4} + {(- \frac{y}{2})}^{5}$

Step 3.10

Move $405$ to the left of $y$ .

$\frac{243 x^{5}}{32} - \frac{405 \cdot y x^{4}}{32} + 10 {(\frac{3 x}{2})}^{3} {(- \frac{y}{2})}^{2} + 10 {(\frac{3 x}{2})}^{2} {(- \frac{y}{2})}^{3} + 5 \frac{3 x}{2} {(- \frac{y}{2})}^{4} + {(- \frac{y}{2})}^{5}$

Step 3.11

Use the power rule ${(a b)}^{n} = a^{n} b^{n}$ to distribute the exponent.

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Step 3.11.1

Apply the product rule to $\frac{3 x}{2}$ .

$\frac{243 x^{5}}{32} - \frac{405 y x^{4}}{32} + 10 \frac{{(3 x)}^{3}}{2^{3}} {(- \frac{y}{2})}^{2} + 10 {(\frac{3 x}{2})}^{2} {(- \frac{y}{2})}^{3} + 5 \frac{3 x}{2} {(- \frac{y}{2})}^{4} + {(- \frac{y}{2})}^{5}$

Step 3.11.2

Apply the product rule to $3 x$ .

$\frac{243 x^{5}}{32} - \frac{405 y x^{4}}{32} + 10 \frac{3^{3} x^{3}}{2^{3}} {(- \frac{y}{2})}^{2} + 10 {(\frac{3 x}{2})}^{2} {(- \frac{y}{2})}^{3} + 5 \frac{3 x}{2} {(- \frac{y}{2})}^{4} + {(- \frac{y}{2})}^{5}$

Step 3.12

Raise $3$ to the power of $3$ .

$\frac{243 x^{5}}{32} - \frac{405 y x^{4}}{32} + 10 \frac{27 x^{3}}{2^{3}} {(- \frac{y}{2})}^{2} + 10 {(\frac{3 x}{2})}^{2} {(- \frac{y}{2})}^{3} + 5 \frac{3 x}{2} {(- \frac{y}{2})}^{4} + {(- \frac{y}{2})}^{5}$

Step 3.13

Raise $2$ to the power of $3$ .

$\frac{243 x^{5}}{32} - \frac{405 y x^{4}}{32} + 10 \frac{27 x^{3}}{8} {(- \frac{y}{2})}^{2} + 10 {(\frac{3 x}{2})}^{2} {(- \frac{y}{2})}^{3} + 5 \frac{3 x}{2} {(- \frac{y}{2})}^{4} + {(- \frac{y}{2})}^{5}$

Step 3.14

Cancel the common factor of $2$ .

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Step 3.14.1

Factor $2$ out of $10$ .

$\frac{243 x^{5}}{32} - \frac{405 y x^{4}}{32} + 2 (5) \frac{27 x^{3}}{8} {(- \frac{y}{2})}^{2} + 10 {(\frac{3 x}{2})}^{2} {(- \frac{y}{2})}^{3} + 5 \frac{3 x}{2} {(- \frac{y}{2})}^{4} + {(- \frac{y}{2})}^{5}$

Step 3.14.2

Factor $2$ out of $8$ .

$\frac{243 x^{5}}{32} - \frac{405 y x^{4}}{32} + 2 \cdot 5 \frac{27 x^{3}}{2 \cdot 4} {(- \frac{y}{2})}^{2} + 10 {(\frac{3 x}{2})}^{2} {(- \frac{y}{2})}^{3} + 5 \frac{3 x}{2} {(- \frac{y}{2})}^{4} + {(- \frac{y}{2})}^{5}$

Step 3.14.3

Cancel the common factor.

Step 3.14.4

Rewrite the expression.

$\frac{243 x^{5}}{32} - \frac{405 y x^{4}}{32} + 5 \frac{27 x^{3}}{4} {(- \frac{y}{2})}^{2} + 10 {(\frac{3 x}{2})}^{2} {(- \frac{y}{2})}^{3} + 5 \frac{3 x}{2} {(- \frac{y}{2})}^{4} + {(- \frac{y}{2})}^{5}$

Step 3.15

Combine $5$ and $\frac{27 x^{3}}{4}$ .

$\frac{243 x^{5}}{32} - \frac{405 y x^{4}}{32} + \frac{5 (27 x^{3})}{4} {(- \frac{y}{2})}^{2} + 10 {(\frac{3 x}{2})}^{2} {(- \frac{y}{2})}^{3} + 5 \frac{3 x}{2} {(- \frac{y}{2})}^{4} + {(- \frac{y}{2})}^{5}$

Step 3.16

Multiply $27$ by $5$ .

$\frac{243 x^{5}}{32} - \frac{405 y x^{4}}{32} + \frac{135 x^{3}}{4} {(- \frac{y}{2})}^{2} + 10 {(\frac{3 x}{2})}^{2} {(- \frac{y}{2})}^{3} + 5 \frac{3 x}{2} {(- \frac{y}{2})}^{4} + {(- \frac{y}{2})}^{5}$

Step 3.17

Use the power rule ${(a b)}^{n} = a^{n} b^{n}$ to distribute the exponent.

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Step 3.17.1

Apply the product rule to $- \frac{y}{2}$ .

$\frac{243 x^{5}}{32} - \frac{405 y x^{4}}{32} + \frac{135 x^{3}}{4} ({(- 1)}^{2} {(\frac{y}{2})}^{2}) + 10 {(\frac{3 x}{2})}^{2} {(- \frac{y}{2})}^{3} + 5 \frac{3 x}{2} {(- \frac{y}{2})}^{4} + {(- \frac{y}{2})}^{5}$

Step 3.17.2

Apply the product rule to $\frac{y}{2}$ .

$\frac{243 x^{5}}{32} - \frac{405 y x^{4}}{32} + \frac{135 x^{3}}{4} ({(- 1)}^{2} \frac{y^{2}}{2^{2}}) + 10 {(\frac{3 x}{2})}^{2} {(- \frac{y}{2})}^{3} + 5 \frac{3 x}{2} {(- \frac{y}{2})}^{4} + {(- \frac{y}{2})}^{5}$

Step 3.18

Rewrite using the commutative property of multiplication.

$\frac{243 x^{5}}{32} - \frac{405 y x^{4}}{32} + {(- 1)}^{2} \frac{135 x^{3}}{4} \frac{y^{2}}{2^{2}} + 10 {(\frac{3 x}{2})}^{2} {(- \frac{y}{2})}^{3} + 5 \frac{3 x}{2} {(- \frac{y}{2})}^{4} + {(- \frac{y}{2})}^{5}$

Step 3.19

Raise $- 1$ to the power of $2$ .

$\frac{243 x^{5}}{32} - \frac{405 y x^{4}}{32} + 1 \frac{135 x^{3}}{4} \frac{y^{2}}{2^{2}} + 10 {(\frac{3 x}{2})}^{2} {(- \frac{y}{2})}^{3} + 5 \frac{3 x}{2} {(- \frac{y}{2})}^{4} + {(- \frac{y}{2})}^{5}$

Step 3.20

Multiply $\frac{135 x^{3}}{4}$ by $1$ .

$\frac{243 x^{5}}{32} - \frac{405 y x^{4}}{32} + \frac{135 x^{3}}{4} \cdot \frac{y^{2}}{2^{2}} + 10 {(\frac{3 x}{2})}^{2} {(- \frac{y}{2})}^{3} + 5 \frac{3 x}{2} {(- \frac{y}{2})}^{4} + {(- \frac{y}{2})}^{5}$

Step 3.21

Combine.

$\frac{243 x^{5}}{32} - \frac{405 y x^{4}}{32} + \frac{135 x^{3} y^{2}}{4 \cdot 2^{2}} + 10 {(\frac{3 x}{2})}^{2} {(- \frac{y}{2})}^{3} + 5 \frac{3 x}{2} {(- \frac{y}{2})}^{4} + {(- \frac{y}{2})}^{5}$

Step 3.22

Simplify the denominator.

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Step 3.22.1

Rewrite $4$ as $2^{2}$ .

$\frac{243 x^{5}}{32} - \frac{405 y x^{4}}{32} + \frac{135 x^{3} y^{2}}{2^{2} \cdot 2^{2}} + 10 {(\frac{3 x}{2})}^{2} {(- \frac{y}{2})}^{3} + 5 \frac{3 x}{2} {(- \frac{y}{2})}^{4} + {(- \frac{y}{2})}^{5}$

Step 3.22.2

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

$\frac{243 x^{5}}{32} - \frac{405 y x^{4}}{32} + \frac{135 x^{3} y^{2}}{2^{2 + 2}} + 10 {(\frac{3 x}{2})}^{2} {(- \frac{y}{2})}^{3} + 5 \frac{3 x}{2} {(- \frac{y}{2})}^{4} + {(- \frac{y}{2})}^{5}$

Step 3.22.3

Add $2$ and $2$ .

$\frac{243 x^{5}}{32} - \frac{405 y x^{4}}{32} + \frac{135 x^{3} y^{2}}{2^{4}} + 10 {(\frac{3 x}{2})}^{2} {(- \frac{y}{2})}^{3} + 5 \frac{3 x}{2} {(- \frac{y}{2})}^{4} + {(- \frac{y}{2})}^{5}$

Step 3.23

Raise $2$ to the power of $4$ .

$\frac{243 x^{5}}{32} - \frac{405 y x^{4}}{32} + \frac{135 x^{3} y^{2}}{16} + 10 {(\frac{3 x}{2})}^{2} {(- \frac{y}{2})}^{3} + 5 \frac{3 x}{2} {(- \frac{y}{2})}^{4} + {(- \frac{y}{2})}^{5}$

Step 3.24

Use the power rule ${(a b)}^{n} = a^{n} b^{n}$ to distribute the exponent.

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Step 3.24.1

Apply the product rule to $\frac{3 x}{2}$ .

$\frac{243 x^{5}}{32} - \frac{405 y x^{4}}{32} + \frac{135 x^{3} y^{2}}{16} + 10 \frac{{(3 x)}^{2}}{2^{2}} {(- \frac{y}{2})}^{3} + 5 \frac{3 x}{2} {(- \frac{y}{2})}^{4} + {(- \frac{y}{2})}^{5}$

Step 3.24.2

Apply the product rule to $3 x$ .

$\frac{243 x^{5}}{32} - \frac{405 y x^{4}}{32} + \frac{135 x^{3} y^{2}}{16} + 10 \frac{3^{2} x^{2}}{2^{2}} {(- \frac{y}{2})}^{3} + 5 \frac{3 x}{2} {(- \frac{y}{2})}^{4} + {(- \frac{y}{2})}^{5}$

Step 3.25

Raise $3$ to the power of $2$ .

$\frac{243 x^{5}}{32} - \frac{405 y x^{4}}{32} + \frac{135 x^{3} y^{2}}{16} + 10 \frac{9 x^{2}}{2^{2}} {(- \frac{y}{2})}^{3} + 5 \frac{3 x}{2} {(- \frac{y}{2})}^{4} + {(- \frac{y}{2})}^{5}$

Step 3.26

Raise $2$ to the power of $2$ .

$\frac{243 x^{5}}{32} - \frac{405 y x^{4}}{32} + \frac{135 x^{3} y^{2}}{16} + 10 \frac{9 x^{2}}{4} {(- \frac{y}{2})}^{3} + 5 \frac{3 x}{2} {(- \frac{y}{2})}^{4} + {(- \frac{y}{2})}^{5}$

Step 3.27

Cancel the common factor of $2$ .

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Step 3.27.1

Factor $2$ out of $10$ .

$\frac{243 x^{5}}{32} - \frac{405 y x^{4}}{32} + \frac{135 x^{3} y^{2}}{16} + 2 (5) \frac{9 x^{2}}{4} {(- \frac{y}{2})}^{3} + 5 \frac{3 x}{2} {(- \frac{y}{2})}^{4} + {(- \frac{y}{2})}^{5}$

Step 3.27.2

Factor $2$ out of $4$ .

$\frac{243 x^{5}}{32} - \frac{405 y x^{4}}{32} + \frac{135 x^{3} y^{2}}{16} + 2 \cdot 5 \frac{9 x^{2}}{2 \cdot 2} {(- \frac{y}{2})}^{3} + 5 \frac{3 x}{2} {(- \frac{y}{2})}^{4} + {(- \frac{y}{2})}^{5}$

Step 3.27.3

Cancel the common factor.

Step 3.27.4

Rewrite the expression.

$\frac{243 x^{5}}{32} - \frac{405 y x^{4}}{32} + \frac{135 x^{3} y^{2}}{16} + 5 \frac{9 x^{2}}{2} {(- \frac{y}{2})}^{3} + 5 \frac{3 x}{2} {(- \frac{y}{2})}^{4} + {(- \frac{y}{2})}^{5}$

Step 3.28

Combine $5$ and $\frac{9 x^{2}}{2}$ .

$\frac{243 x^{5}}{32} - \frac{405 y x^{4}}{32} + \frac{135 x^{3} y^{2}}{16} + \frac{5 (9 x^{2})}{2} {(- \frac{y}{2})}^{3} + 5 \frac{3 x}{2} {(- \frac{y}{2})}^{4} + {(- \frac{y}{2})}^{5}$

Step 3.29

Multiply $9$ by $5$ .

$\frac{243 x^{5}}{32} - \frac{405 y x^{4}}{32} + \frac{135 x^{3} y^{2}}{16} + \frac{45 x^{2}}{2} {(- \frac{y}{2})}^{3} + 5 \frac{3 x}{2} {(- \frac{y}{2})}^{4} + {(- \frac{y}{2})}^{5}$

Step 3.30

Use the power rule ${(a b)}^{n} = a^{n} b^{n}$ to distribute the exponent.

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Step 3.30.1

Apply the product rule to $- \frac{y}{2}$ .

$\frac{243 x^{5}}{32} - \frac{405 y x^{4}}{32} + \frac{135 x^{3} y^{2}}{16} + \frac{45 x^{2}}{2} ({(- 1)}^{3} {(\frac{y}{2})}^{3}) + 5 \frac{3 x}{2} {(- \frac{y}{2})}^{4} + {(- \frac{y}{2})}^{5}$

Step 3.30.2

Apply the product rule to $\frac{y}{2}$ .

$\frac{243 x^{5}}{32} - \frac{405 y x^{4}}{32} + \frac{135 x^{3} y^{2}}{16} + \frac{45 x^{2}}{2} ({(- 1)}^{3} \frac{y^{3}}{2^{3}}) + 5 \frac{3 x}{2} {(- \frac{y}{2})}^{4} + {(- \frac{y}{2})}^{5}$

Step 3.31

Rewrite using the commutative property of multiplication.

$\frac{243 x^{5}}{32} - \frac{405 y x^{4}}{32} + \frac{135 x^{3} y^{2}}{16} + {(- 1)}^{3} \frac{45 x^{2}}{2} \frac{y^{3}}{2^{3}} + 5 \frac{3 x}{2} {(- \frac{y}{2})}^{4} + {(- \frac{y}{2})}^{5}$

Step 3.32

Raise $- 1$ to the power of $3$ .

$\frac{243 x^{5}}{32} - \frac{405 y x^{4}}{32} + \frac{135 x^{3} y^{2}}{16} - \frac{45 x^{2}}{2} \cdot \frac{y^{3}}{2^{3}} + 5 \frac{3 x}{2} {(- \frac{y}{2})}^{4} + {(- \frac{y}{2})}^{5}$

Step 3.33

Raise $2$ to the power of $3$ .

$\frac{243 x^{5}}{32} - \frac{405 y x^{4}}{32} + \frac{135 x^{3} y^{2}}{16} - \frac{45 x^{2}}{2} \cdot \frac{y^{3}}{8} + 5 \frac{3 x}{2} {(- \frac{y}{2})}^{4} + {(- \frac{y}{2})}^{5}$

Step 3.34

Multiply $- \frac{45 x^{2}}{2} \cdot \frac{y^{3}}{8}$ .

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Step 3.34.1

Multiply $\frac{y^{3}}{8}$ by $\frac{45 x^{2}}{2}$ .

$\frac{243 x^{5}}{32} - \frac{405 y x^{4}}{32} + \frac{135 x^{3} y^{2}}{16} - \frac{y^{3} (45 x^{2})}{8 \cdot 2} + 5 \frac{3 x}{2} {(- \frac{y}{2})}^{4} + {(- \frac{y}{2})}^{5}$

Step 3.34.2

Multiply $8$ by $2$ .

$\frac{243 x^{5}}{32} - \frac{405 y x^{4}}{32} + \frac{135 x^{3} y^{2}}{16} - \frac{y^{3} (45 x^{2})}{16} + 5 \frac{3 x}{2} {(- \frac{y}{2})}^{4} + {(- \frac{y}{2})}^{5}$

Step 3.35

Move $45$ to the left of $y^{3}$ .

$\frac{243 x^{5}}{32} - \frac{405 y x^{4}}{32} + \frac{135 x^{3} y^{2}}{16} - \frac{45 \cdot y^{3} x^{2}}{16} + 5 \frac{3 x}{2} {(- \frac{y}{2})}^{4} + {(- \frac{y}{2})}^{5}$

Step 3.36

Multiply $5 \frac{3 x}{2}$ .

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Step 3.36.1

Combine $5$ and $\frac{3 x}{2}$ .

$\frac{243 x^{5}}{32} - \frac{405 y x^{4}}{32} + \frac{135 x^{3} y^{2}}{16} - \frac{45 y^{3} x^{2}}{16} + \frac{5 (3 x)}{2} {(- \frac{y}{2})}^{4} + {(- \frac{y}{2})}^{5}$

Step 3.36.2

Multiply $3$ by $5$ .

$\frac{243 x^{5}}{32} - \frac{405 y x^{4}}{32} + \frac{135 x^{3} y^{2}}{16} - \frac{45 y^{3} x^{2}}{16} + \frac{15 x}{2} {(- \frac{y}{2})}^{4} + {(- \frac{y}{2})}^{5}$

Step 3.37

Use the power rule ${(a b)}^{n} = a^{n} b^{n}$ to distribute the exponent.

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Step 3.37.1

Apply the product rule to $- \frac{y}{2}$ .

$\frac{243 x^{5}}{32} - \frac{405 y x^{4}}{32} + \frac{135 x^{3} y^{2}}{16} - \frac{45 y^{3} x^{2}}{16} + \frac{15 x}{2} ({(- 1)}^{4} {(\frac{y}{2})}^{4}) + {(- \frac{y}{2})}^{5}$

Step 3.37.2

Apply the product rule to $\frac{y}{2}$ .

$\frac{243 x^{5}}{32} - \frac{405 y x^{4}}{32} + \frac{135 x^{3} y^{2}}{16} - \frac{45 y^{3} x^{2}}{16} + \frac{15 x}{2} ({(- 1)}^{4} \frac{y^{4}}{2^{4}}) + {(- \frac{y}{2})}^{5}$

Step 3.38

Rewrite using the commutative property of multiplication.

$\frac{243 x^{5}}{32} - \frac{405 y x^{4}}{32} + \frac{135 x^{3} y^{2}}{16} - \frac{45 y^{3} x^{2}}{16} + {(- 1)}^{4} \frac{15 x}{2} \frac{y^{4}}{2^{4}} + {(- \frac{y}{2})}^{5}$

Step 3.39

Raise $- 1$ to the power of $4$ .

$\frac{243 x^{5}}{32} - \frac{405 y x^{4}}{32} + \frac{135 x^{3} y^{2}}{16} - \frac{45 y^{3} x^{2}}{16} + 1 \frac{15 x}{2} \frac{y^{4}}{2^{4}} + {(- \frac{y}{2})}^{5}$

Step 3.40

Multiply $\frac{15 x}{2}$ by $1$ .

$\frac{243 x^{5}}{32} - \frac{405 y x^{4}}{32} + \frac{135 x^{3} y^{2}}{16} - \frac{45 y^{3} x^{2}}{16} + \frac{15 x}{2} \cdot \frac{y^{4}}{2^{4}} + {(- \frac{y}{2})}^{5}$

Step 3.41

Combine.

$\frac{243 x^{5}}{32} - \frac{405 y x^{4}}{32} + \frac{135 x^{3} y^{2}}{16} - \frac{45 y^{3} x^{2}}{16} + \frac{15 x y^{4}}{2 \cdot 2^{4}} + {(- \frac{y}{2})}^{5}$

Step 3.42

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

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Step 3.42.1

Multiply $2$ by $2^{4}$ .

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Step 3.42.1.1

Raise $2$ to the power of $1$ .

$\frac{243 x^{5}}{32} - \frac{405 y x^{4}}{32} + \frac{135 x^{3} y^{2}}{16} - \frac{45 y^{3} x^{2}}{16} + \frac{15 x y^{4}}{2^{1} \cdot 2^{4}} + {(- \frac{y}{2})}^{5}$

Step 3.42.1.2

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

$\frac{243 x^{5}}{32} - \frac{405 y x^{4}}{32} + \frac{135 x^{3} y^{2}}{16} - \frac{45 y^{3} x^{2}}{16} + \frac{15 x y^{4}}{2^{1 + 4}} + {(- \frac{y}{2})}^{5}$

Step 3.42.2

Add $1$ and $4$ .

$\frac{243 x^{5}}{32} - \frac{405 y x^{4}}{32} + \frac{135 x^{3} y^{2}}{16} - \frac{45 y^{3} x^{2}}{16} + \frac{15 x y^{4}}{2^{5}} + {(- \frac{y}{2})}^{5}$

Step 3.43

Raise $2$ to the power of $5$ .

$\frac{243 x^{5}}{32} - \frac{405 y x^{4}}{32} + \frac{135 x^{3} y^{2}}{16} - \frac{45 y^{3} x^{2}}{16} + \frac{15 x y^{4}}{32} + {(- \frac{y}{2})}^{5}$

Step 3.44

Use the power rule ${(a b)}^{n} = a^{n} b^{n}$ to distribute the exponent.

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Step 3.44.1

Apply the product rule to $- \frac{y}{2}$ .

$\frac{243 x^{5}}{32} - \frac{405 y x^{4}}{32} + \frac{135 x^{3} y^{2}}{16} - \frac{45 y^{3} x^{2}}{16} + \frac{15 x y^{4}}{32} + {(- 1)}^{5} {(\frac{y}{2})}^{5}$

Step 3.44.2

Apply the product rule to $\frac{y}{2}$ .

$\frac{243 x^{5}}{32} - \frac{405 y x^{4}}{32} + \frac{135 x^{3} y^{2}}{16} - \frac{45 y^{3} x^{2}}{16} + \frac{15 x y^{4}}{32} + {(- 1)}^{5} \frac{y^{5}}{2^{5}}$

Step 3.45

Raise $- 1$ to the power of $5$ .

$\frac{243 x^{5}}{32} - \frac{405 y x^{4}}{32} + \frac{135 x^{3} y^{2}}{16} - \frac{45 y^{3} x^{2}}{16} + \frac{15 x y^{4}}{32} - \frac{y^{5}}{2^{5}}$

Step 3.46

Raise $2$ to the power of $5$ .

$\frac{243 x^{5}}{32} - \frac{405 y x^{4}}{32} + \frac{135 x^{3} y^{2}}{16} - \frac{45 y^{3} x^{2}}{16} + \frac{15 x y^{4}}{32} - \frac{y^{5}}{32}$