Calculus Examples

$\frac{20 x^{2} - 30 x + 7}{\sqrt{2 x - 3}}$

Step 1

Write $\frac{20 x^{2} - 30 x + 7}{\sqrt{2 x - 3}}$ as a function.

$f (x) = \frac{20 x^{2} - 30 x + 7}{\sqrt{2 x - 3}}$

Step 2

The function $F (x)$ can be found by finding the indefinite integral of the derivative $f (x)$ .

$F (x) = \int f (x) d x$

Step 3

Set up the integral to solve.

$F (x) = \int \frac{20 x^{2} - 30 x + 7}{\sqrt{2 x - 3}} d x$

Step 4

Let $u = 2 x - 3$ . Then $d u = 2 d x$ , so $\frac{1}{2} d u = d x$ . Rewrite using $u$ and $d$ $u$ .

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Step 4.1

Let $u = 2 x - 3$ . Find $\frac{d u}{d x}$ .

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Step 4.1.1

Differentiate $2 x - 3$ .

$\frac{d}{d x} [2 x - 3]$

Step 4.1.2

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

$\frac{d}{d x} [2 x] + \frac{d}{d x} [- 3]$

Step 4.1.3

Evaluate $\frac{d}{d x} [2 x]$ .

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Step 4.1.3.1

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

$2 \frac{d}{d x} [x] + \frac{d}{d x} [- 3]$

Step 4.1.3.2

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

$2 \cdot 1 + \frac{d}{d x} [- 3]$

Step 4.1.3.3

Multiply $2$ by $1$ .

$2 + \frac{d}{d x} [- 3]$

Step 4.1.4

Differentiate using the Constant Rule.

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Step 4.1.4.1

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

$2 + 0$

Step 4.1.4.2

Add $2$ and $0$ .

$2$

Step 4.2

Rewrite the problem using $u$ and $d u$ .

$\int \frac{20 {(\frac{u}{2} + \frac{3}{2})}^{2} - 30 (\frac{u}{2} + \frac{3}{2}) + 7}{\sqrt{u}} \cdot \frac{1}{2} d u$

Step 5

Simplify.

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Step 5.1

Multiply $\frac{20 {(\frac{u}{2} + \frac{3}{2})}^{2} - 30 (\frac{u}{2} + \frac{3}{2}) + 7}{\sqrt{u}}$ by $\frac{1}{2}$ .

$\int \frac{20 {(\frac{u}{2} + \frac{3}{2})}^{2} - 30 (\frac{u}{2} + \frac{3}{2}) + 7}{\sqrt{u} \cdot 2} d u$

Step 5.2

Move $2$ to the left of $\sqrt{u}$ .

$\int \frac{20 {(\frac{u}{2} + \frac{3}{2})}^{2} - 30 (\frac{u}{2} + \frac{3}{2}) + 7}{2 \sqrt{u}} d u$

Step 6

Since $\frac{1}{2}$ is constant with respect to $u$ , move $\frac{1}{2}$ out of the integral.

$\frac{1}{2} \int \frac{20 {(\frac{u}{2} + \frac{3}{2})}^{2} - 30 (\frac{u}{2} + \frac{3}{2}) + 7}{\sqrt{u}} d u$

Step 7

Apply basic rules of exponents.

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Step 7.1

Use $\sqrt[n]{a^{x}} = a^{\frac{x}{n}}$ to rewrite $\sqrt{u}$ as $u^{\frac{1}{2}}$ .

$\frac{1}{2} \int \frac{20 {(\frac{u}{2} + \frac{3}{2})}^{2} - 30 (\frac{u}{2} + \frac{3}{2}) + 7}{u^{\frac{1}{2}}} d u$

Step 7.2

Move $u^{\frac{1}{2}}$ out of the denominator by raising it to the $- 1$ power.

$\frac{1}{2} \int (20 {(\frac{u}{2} + \frac{3}{2})}^{2} - 30 (\frac{u}{2} + \frac{3}{2}) + 7) {(u^{\frac{1}{2}})}^{- 1} d u$

Step 7.3

Multiply the exponents in ${(u^{\frac{1}{2}})}^{- 1}$ .

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Step 7.3.1

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

$\frac{1}{2} \int (20 {(\frac{u}{2} + \frac{3}{2})}^{2} - 30 (\frac{u}{2} + \frac{3}{2}) + 7) u^{\frac{1}{2} \cdot - 1} d u$

Step 7.3.2

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

$\frac{1}{2} \int (20 {(\frac{u}{2} + \frac{3}{2})}^{2} - 30 (\frac{u}{2} + \frac{3}{2}) + 7) u^{\frac{- 1}{2}} d u$

Step 7.3.3

Move the negative in front of the fraction.

$\frac{1}{2} \int (20 {(\frac{u}{2} + \frac{3}{2})}^{2} - 30 (\frac{u}{2} + \frac{3}{2}) + 7) u^{- \frac{1}{2}} d u$

Step 8

Expand $(20 {(\frac{u}{2} + \frac{3}{2})}^{2} - 30 (\frac{u}{2} + \frac{3}{2}) + 7) u^{- \frac{1}{2}}$ .

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Step 8.1

Rewrite ${(\frac{u}{2} + \frac{3}{2})}^{2}$ as $(\frac{u}{2} + \frac{3}{2}) (\frac{u}{2} + \frac{3}{2})$ .

$\frac{1}{2} \int (20 ((\frac{u}{2} + \frac{3}{2}) (\frac{u}{2} + \frac{3}{2})) - 30 (\frac{u}{2} + \frac{3}{2}) + 7) u^{- \frac{1}{2}} d u$

Step 8.2

Apply the distributive property.

$\frac{1}{2} \int (20 (\frac{u}{2} (\frac{u}{2} + \frac{3}{2}) + \frac{3}{2} (\frac{u}{2} + \frac{3}{2})) - 30 (\frac{u}{2} + \frac{3}{2}) + 7) u^{- \frac{1}{2}} d u$

Step 8.3

Apply the distributive property.

$\frac{1}{2} \int (20 (\frac{u}{2} \cdot \frac{u}{2} + \frac{u}{2} \cdot \frac{3}{2} + \frac{3}{2} (\frac{u}{2} + \frac{3}{2})) - 30 (\frac{u}{2} + \frac{3}{2}) + 7) u^{- \frac{1}{2}} d u$

Step 8.4

Apply the distributive property.

$\frac{1}{2} \int (20 (\frac{u}{2} \cdot \frac{u}{2} + \frac{u}{2} \cdot \frac{3}{2} + \frac{3}{2} \cdot \frac{u}{2} + \frac{3}{2} \cdot \frac{3}{2}) - 30 (\frac{u}{2} + \frac{3}{2}) + 7) u^{- \frac{1}{2}} d u$

Step 8.5

Apply the distributive property.

$\frac{1}{2} \int (20 (\frac{u}{2} \cdot \frac{u}{2} + \frac{u}{2} \cdot \frac{3}{2}) + 20 (\frac{3}{2} \cdot \frac{u}{2} + \frac{3}{2} \cdot \frac{3}{2}) - 30 (\frac{u}{2} + \frac{3}{2}) + 7) u^{- \frac{1}{2}} d u$

Step 8.6

Apply the distributive property.

$\frac{1}{2} \int (20 (\frac{u}{2} \cdot \frac{u}{2}) + 20 (\frac{u}{2} \cdot \frac{3}{2}) + 20 (\frac{3}{2} \cdot \frac{u}{2} + \frac{3}{2} \cdot \frac{3}{2}) - 30 (\frac{u}{2} + \frac{3}{2}) + 7) u^{- \frac{1}{2}} d u$

Step 8.7

Apply the distributive property.

$\frac{1}{2} \int (20 (\frac{u}{2} \cdot \frac{u}{2}) + 20 (\frac{u}{2} \cdot \frac{3}{2}) + 20 (\frac{3}{2} \cdot \frac{u}{2}) + 20 (\frac{3}{2} \cdot \frac{3}{2}) - 30 (\frac{u}{2} + \frac{3}{2}) + 7) u^{- \frac{1}{2}} d u$

Step 8.8

Apply the distributive property.

$\frac{1}{2} \int (20 (\frac{u}{2} \cdot \frac{u}{2}) + 20 (\frac{u}{2} \cdot \frac{3}{2}) + 20 (\frac{3}{2} \cdot \frac{u}{2}) + 20 (\frac{3}{2} \cdot \frac{3}{2}) - 30 \frac{u}{2} - 30 (\frac{3}{2}) + 7) u^{- \frac{1}{2}} d u$

Step 8.9

Apply the distributive property.

Step 8.10

Apply the distributive property.

$\frac{1}{2} \int (20 (\frac{u}{2} \cdot \frac{u}{2}) + 20 (\frac{u}{2} \cdot \frac{3}{2}) + 20 (\frac{3}{2} \cdot \frac{u}{2}) + 20 (\frac{3}{2} \cdot \frac{3}{2})) u^{- \frac{1}{2}} + (- 30 \frac{u}{2} - 30 (\frac{3}{2})) u^{- \frac{1}{2}} + 7 u^{- \frac{1}{2}} d u$

Step 8.11

Apply the distributive property.

$\frac{1}{2} \int (20 (\frac{u}{2} \cdot \frac{u}{2}) + 20 (\frac{u}{2} \cdot \frac{3}{2})) u^{- \frac{1}{2}} + (20 (\frac{3}{2} \cdot \frac{u}{2}) + 20 (\frac{3}{2} \cdot \frac{3}{2})) u^{- \frac{1}{2}} + (- 30 \frac{u}{2} - 30 (\frac{3}{2})) u^{- \frac{1}{2}} + 7 u^{- \frac{1}{2}} d u$

Step 8.12

Apply the distributive property.

$\frac{1}{2} \int 20 (\frac{u}{2} \cdot \frac{u}{2}) u^{- \frac{1}{2}} + 20 (\frac{u}{2} \cdot \frac{3}{2}) u^{- \frac{1}{2}} + (20 (\frac{3}{2} \cdot \frac{u}{2}) + 20 (\frac{3}{2} \cdot \frac{3}{2})) u^{- \frac{1}{2}} + (- 30 \frac{u}{2} - 30 (\frac{3}{2})) u^{- \frac{1}{2}} + 7 u^{- \frac{1}{2}} d u$

Step 8.13

Apply the distributive property.

$\frac{1}{2} \int 20 (\frac{u}{2} \cdot \frac{u}{2}) u^{- \frac{1}{2}} + 20 (\frac{u}{2} \cdot \frac{3}{2}) u^{- \frac{1}{2}} + 20 (\frac{3}{2} \cdot \frac{u}{2}) u^{- \frac{1}{2}} + 20 (\frac{3}{2} \cdot \frac{3}{2}) u^{- \frac{1}{2}} + (- 30 \frac{u}{2} - 30 (\frac{3}{2})) u^{- \frac{1}{2}} + 7 u^{- \frac{1}{2}} d u$

Step 8.14

Apply the distributive property.

$\frac{1}{2} \int 20 (\frac{u}{2} \cdot \frac{u}{2}) u^{- \frac{1}{2}} + 20 (\frac{u}{2} \cdot \frac{3}{2}) u^{- \frac{1}{2}} + 20 (\frac{3}{2} \cdot \frac{u}{2}) u^{- \frac{1}{2}} + 20 (\frac{3}{2} \cdot \frac{3}{2}) u^{- \frac{1}{2}} - 30 \frac{u}{2} u^{- \frac{1}{2}} - 30 (\frac{3}{2}) u^{- \frac{1}{2}} + 7 u^{- \frac{1}{2}} d u$

Step 8.15

Move parentheses.

$\frac{1}{2} \int 20 \frac{u}{2} \frac{u}{2} u^{- \frac{1}{2}} + 20 \frac{u}{2} \frac{3}{2} u^{- \frac{1}{2}} + 20 (\frac{3}{2}) \frac{u}{2} u^{- \frac{1}{2}} + 20 (\frac{3}{2} \cdot \frac{3}{2}) u^{- \frac{1}{2}} - 30 \frac{u}{2} u^{- \frac{1}{2}} - 30 (\frac{3}{2}) u^{- \frac{1}{2}} + 7 u^{- \frac{1}{2}} d u$

Step 8.16

Move parentheses.

$\frac{1}{2} \int 20 \frac{u}{2} \frac{u}{2} u^{- \frac{1}{2}} + 20 \frac{u}{2} \frac{3}{2} u^{- \frac{1}{2}} + 20 (\frac{3}{2}) \frac{u}{2} u^{- \frac{1}{2}} + 20 (\frac{3}{2}) \frac{3}{2} u^{- \frac{1}{2}} - 30 \frac{u}{2} u^{- \frac{1}{2}} - 30 (\frac{3}{2}) u^{- \frac{1}{2}} + 7 u^{- \frac{1}{2}} d u$

Step 8.17

Combine $20$ and $\frac{u}{2}$ .

$\frac{1}{2} \int \frac{20 u}{2} \cdot \frac{u}{2} u^{- \frac{1}{2}} + 20 \frac{u}{2} \frac{3}{2} u^{- \frac{1}{2}} + 20 (\frac{3}{2}) \frac{u}{2} u^{- \frac{1}{2}} + 20 (\frac{3}{2}) \frac{3}{2} u^{- \frac{1}{2}} - 30 \frac{u}{2} u^{- \frac{1}{2}} - 30 (\frac{3}{2}) u^{- \frac{1}{2}} + 7 u^{- \frac{1}{2}} d u$

Step 8.18

Multiply $\frac{20 u}{2}$ by $\frac{u}{2}$ .

$\frac{1}{2} \int \frac{20 u \cdot u}{2 \cdot 2} u^{- \frac{1}{2}} + 20 \frac{u}{2} \frac{3}{2} u^{- \frac{1}{2}} + 20 (\frac{3}{2}) \frac{u}{2} u^{- \frac{1}{2}} + 20 (\frac{3}{2}) \frac{3}{2} u^{- \frac{1}{2}} - 30 \frac{u}{2} u^{- \frac{1}{2}} - 30 (\frac{3}{2}) u^{- \frac{1}{2}} + 7 u^{- \frac{1}{2}} d u$

Step 8.19

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

$\frac{1}{2} \int \frac{20 (u^{1} u)}{2 \cdot 2} u^{- \frac{1}{2}} + 20 \frac{u}{2} \frac{3}{2} u^{- \frac{1}{2}} + 20 (\frac{3}{2}) \frac{u}{2} u^{- \frac{1}{2}} + 20 (\frac{3}{2}) \frac{3}{2} u^{- \frac{1}{2}} - 30 \frac{u}{2} u^{- \frac{1}{2}} - 30 (\frac{3}{2}) u^{- \frac{1}{2}} + 7 u^{- \frac{1}{2}} d u$

Step 8.20

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

$\frac{1}{2} \int \frac{20 (u^{1} u^{1})}{2 \cdot 2} u^{- \frac{1}{2}} + 20 \frac{u}{2} \frac{3}{2} u^{- \frac{1}{2}} + 20 (\frac{3}{2}) \frac{u}{2} u^{- \frac{1}{2}} + 20 (\frac{3}{2}) \frac{3}{2} u^{- \frac{1}{2}} - 30 \frac{u}{2} u^{- \frac{1}{2}} - 30 (\frac{3}{2}) u^{- \frac{1}{2}} + 7 u^{- \frac{1}{2}} d u$

Step 8.21

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

$\frac{1}{2} \int \frac{20 u^{1 + 1}}{2 \cdot 2} u^{- \frac{1}{2}} + 20 \frac{u}{2} \frac{3}{2} u^{- \frac{1}{2}} + 20 (\frac{3}{2}) \frac{u}{2} u^{- \frac{1}{2}} + 20 (\frac{3}{2}) \frac{3}{2} u^{- \frac{1}{2}} - 30 \frac{u}{2} u^{- \frac{1}{2}} - 30 (\frac{3}{2}) u^{- \frac{1}{2}} + 7 u^{- \frac{1}{2}} d u$

Step 8.22

Add $1$ and $1$ .

$\frac{1}{2} \int \frac{20 u^{2}}{2 \cdot 2} u^{- \frac{1}{2}} + 20 \frac{u}{2} \frac{3}{2} u^{- \frac{1}{2}} + 20 (\frac{3}{2}) \frac{u}{2} u^{- \frac{1}{2}} + 20 (\frac{3}{2}) \frac{3}{2} u^{- \frac{1}{2}} - 30 \frac{u}{2} u^{- \frac{1}{2}} - 30 (\frac{3}{2}) u^{- \frac{1}{2}} + 7 u^{- \frac{1}{2}} d u$

Step 8.23

Multiply $2$ by $2$ .

$\frac{1}{2} \int \frac{20 u^{2}}{4} u^{- \frac{1}{2}} + 20 \frac{u}{2} \frac{3}{2} u^{- \frac{1}{2}} + 20 (\frac{3}{2}) \frac{u}{2} u^{- \frac{1}{2}} + 20 (\frac{3}{2}) \frac{3}{2} u^{- \frac{1}{2}} - 30 \frac{u}{2} u^{- \frac{1}{2}} - 30 (\frac{3}{2}) u^{- \frac{1}{2}} + 7 u^{- \frac{1}{2}} d u$

Step 8.24

Combine $\frac{20 u^{2}}{4}$ and $u^{- \frac{1}{2}}$ .

$\frac{1}{2} \int \frac{20 u^{2} u^{- \frac{1}{2}}}{4} + 20 \frac{u}{2} \frac{3}{2} u^{- \frac{1}{2}} + 20 (\frac{3}{2}) \frac{u}{2} u^{- \frac{1}{2}} + 20 (\frac{3}{2}) \frac{3}{2} u^{- \frac{1}{2}} - 30 \frac{u}{2} u^{- \frac{1}{2}} - 30 (\frac{3}{2}) u^{- \frac{1}{2}} + 7 u^{- \frac{1}{2}} d u$

Step 8.25

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

$\frac{1}{2} \int \frac{20 u^{2 - \frac{1}{2}}}{4} + 20 \frac{u}{2} \frac{3}{2} u^{- \frac{1}{2}} + 20 (\frac{3}{2}) \frac{u}{2} u^{- \frac{1}{2}} + 20 (\frac{3}{2}) \frac{3}{2} u^{- \frac{1}{2}} - 30 \frac{u}{2} u^{- \frac{1}{2}} - 30 (\frac{3}{2}) u^{- \frac{1}{2}} + 7 u^{- \frac{1}{2}} d u$

Step 8.26

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

$\frac{1}{2} \int \frac{20 u^{2 \cdot \frac{2}{2} - \frac{1}{2}}}{4} + 20 \frac{u}{2} \frac{3}{2} u^{- \frac{1}{2}} + 20 (\frac{3}{2}) \frac{u}{2} u^{- \frac{1}{2}} + 20 (\frac{3}{2}) \frac{3}{2} u^{- \frac{1}{2}} - 30 \frac{u}{2} u^{- \frac{1}{2}} - 30 (\frac{3}{2}) u^{- \frac{1}{2}} + 7 u^{- \frac{1}{2}} d u$

Step 8.27

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

$\frac{1}{2} \int \frac{20 u^{\frac{2 \cdot 2}{2} - \frac{1}{2}}}{4} + 20 \frac{u}{2} \frac{3}{2} u^{- \frac{1}{2}} + 20 (\frac{3}{2}) \frac{u}{2} u^{- \frac{1}{2}} + 20 (\frac{3}{2}) \frac{3}{2} u^{- \frac{1}{2}} - 30 \frac{u}{2} u^{- \frac{1}{2}} - 30 (\frac{3}{2}) u^{- \frac{1}{2}} + 7 u^{- \frac{1}{2}} d u$

Step 8.28

Combine the numerators over the common denominator.

$\frac{1}{2} \int \frac{20 u^{\frac{2 \cdot 2 - 1}{2}}}{4} + 20 \frac{u}{2} \frac{3}{2} u^{- \frac{1}{2}} + 20 (\frac{3}{2}) \frac{u}{2} u^{- \frac{1}{2}} + 20 (\frac{3}{2}) \frac{3}{2} u^{- \frac{1}{2}} - 30 \frac{u}{2} u^{- \frac{1}{2}} - 30 (\frac{3}{2}) u^{- \frac{1}{2}} + 7 u^{- \frac{1}{2}} d u$

Step 8.29

Simplify the numerator.

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Step 8.29.1

Multiply $2$ by $2$ .

$\frac{1}{2} \int \frac{20 u^{\frac{4 - 1}{2}}}{4} + 20 \frac{u}{2} \frac{3}{2} u^{- \frac{1}{2}} + 20 (\frac{3}{2}) \frac{u}{2} u^{- \frac{1}{2}} + 20 (\frac{3}{2}) \frac{3}{2} u^{- \frac{1}{2}} - 30 \frac{u}{2} u^{- \frac{1}{2}} - 30 (\frac{3}{2}) u^{- \frac{1}{2}} + 7 u^{- \frac{1}{2}} d u$

Step 8.29.2

Subtract $1$ from $4$ .

$\frac{1}{2} \int \frac{20 u^{\frac{3}{2}}}{4} + 20 \frac{u}{2} \frac{3}{2} u^{- \frac{1}{2}} + 20 (\frac{3}{2}) \frac{u}{2} u^{- \frac{1}{2}} + 20 (\frac{3}{2}) \frac{3}{2} u^{- \frac{1}{2}} - 30 \frac{u}{2} u^{- \frac{1}{2}} - 30 (\frac{3}{2}) u^{- \frac{1}{2}} + 7 u^{- \frac{1}{2}} d u$

Step 8.30

Combine $20$ and $\frac{u}{2}$ .

$\frac{1}{2} \int \frac{20 u^{\frac{3}{2}}}{4} + \frac{20 u}{2} \cdot \frac{3}{2} u^{- \frac{1}{2}} + 20 (\frac{3}{2}) \frac{u}{2} u^{- \frac{1}{2}} + 20 (\frac{3}{2}) \frac{3}{2} u^{- \frac{1}{2}} - 30 \frac{u}{2} u^{- \frac{1}{2}} - 30 (\frac{3}{2}) u^{- \frac{1}{2}} + 7 u^{- \frac{1}{2}} d u$

Step 8.31

Multiply $\frac{20 u}{2}$ by $\frac{3}{2}$ .

$\frac{1}{2} \int \frac{20 u^{\frac{3}{2}}}{4} + \frac{20 u \cdot 3}{2 \cdot 2} u^{- \frac{1}{2}} + 20 (\frac{3}{2}) \frac{u}{2} u^{- \frac{1}{2}} + 20 (\frac{3}{2}) \frac{3}{2} u^{- \frac{1}{2}} - 30 \frac{u}{2} u^{- \frac{1}{2}} - 30 (\frac{3}{2}) u^{- \frac{1}{2}} + 7 u^{- \frac{1}{2}} d u$

Step 8.32

Multiply $2$ by $2$ .

$\frac{1}{2} \int \frac{20 u^{\frac{3}{2}}}{4} + \frac{20 u \cdot 3}{4} u^{- \frac{1}{2}} + 20 (\frac{3}{2}) \frac{u}{2} u^{- \frac{1}{2}} + 20 (\frac{3}{2}) \frac{3}{2} u^{- \frac{1}{2}} - 30 \frac{u}{2} u^{- \frac{1}{2}} - 30 (\frac{3}{2}) u^{- \frac{1}{2}} + 7 u^{- \frac{1}{2}} d u$

Step 8.33

Combine $\frac{20 u \cdot 3}{4}$ and $u^{- \frac{1}{2}}$ .

$\frac{1}{2} \int \frac{20 u^{\frac{3}{2}}}{4} + \frac{20 u \cdot 3 u^{- \frac{1}{2}}}{4} + 20 (\frac{3}{2}) \frac{u}{2} u^{- \frac{1}{2}} + 20 (\frac{3}{2}) \frac{3}{2} u^{- \frac{1}{2}} - 30 \frac{u}{2} u^{- \frac{1}{2}} - 30 (\frac{3}{2}) u^{- \frac{1}{2}} + 7 u^{- \frac{1}{2}} d u$

Step 8.34

Combine $20$ and $\frac{3}{2}$ .

$\frac{1}{2} \int \frac{20 u^{\frac{3}{2}}}{4} + \frac{20 u \cdot 3 u^{- \frac{1}{2}}}{4} + \frac{20 \cdot 3}{2} \cdot \frac{u}{2} u^{- \frac{1}{2}} + 20 (\frac{3}{2}) \frac{3}{2} u^{- \frac{1}{2}} - 30 \frac{u}{2} u^{- \frac{1}{2}} - 30 (\frac{3}{2}) u^{- \frac{1}{2}} + 7 u^{- \frac{1}{2}} d u$

Step 8.35

Multiply $20$ by $3$ .

$\frac{1}{2} \int \frac{20 u^{\frac{3}{2}}}{4} + \frac{20 u \cdot 3 u^{- \frac{1}{2}}}{4} + \frac{60}{2} \cdot \frac{u}{2} u^{- \frac{1}{2}} + 20 (\frac{3}{2}) \frac{3}{2} u^{- \frac{1}{2}} - 30 \frac{u}{2} u^{- \frac{1}{2}} - 30 (\frac{3}{2}) u^{- \frac{1}{2}} + 7 u^{- \frac{1}{2}} d u$

Step 8.36

Multiply $\frac{60}{2}$ by $\frac{u}{2}$ .

$\frac{1}{2} \int \frac{20 u^{\frac{3}{2}}}{4} + \frac{20 u \cdot 3 u^{- \frac{1}{2}}}{4} + \frac{60 u}{2 \cdot 2} u^{- \frac{1}{2}} + 20 (\frac{3}{2}) \frac{3}{2} u^{- \frac{1}{2}} - 30 \frac{u}{2} u^{- \frac{1}{2}} - 30 (\frac{3}{2}) u^{- \frac{1}{2}} + 7 u^{- \frac{1}{2}} d u$

Step 8.37

Multiply $2$ by $2$ .

$\frac{1}{2} \int \frac{20 u^{\frac{3}{2}}}{4} + \frac{20 u \cdot 3 u^{- \frac{1}{2}}}{4} + \frac{60 u}{4} u^{- \frac{1}{2}} + 20 (\frac{3}{2}) \frac{3}{2} u^{- \frac{1}{2}} - 30 \frac{u}{2} u^{- \frac{1}{2}} - 30 (\frac{3}{2}) u^{- \frac{1}{2}} + 7 u^{- \frac{1}{2}} d u$

Step 8.38

Combine $\frac{60 u}{4}$ and $u^{- \frac{1}{2}}$ .

$\frac{1}{2} \int \frac{20 u^{\frac{3}{2}}}{4} + \frac{20 u \cdot 3 u^{- \frac{1}{2}}}{4} + \frac{60 u \cdot u^{- \frac{1}{2}}}{4} + 20 (\frac{3}{2}) \frac{3}{2} u^{- \frac{1}{2}} - 30 \frac{u}{2} u^{- \frac{1}{2}} - 30 (\frac{3}{2}) u^{- \frac{1}{2}} + 7 u^{- \frac{1}{2}} d u$

Step 8.39

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

$\frac{1}{2} \int \frac{20 u^{\frac{3}{2}}}{4} + \frac{20 u \cdot 3 u^{- \frac{1}{2}}}{4} + \frac{60 (u^{1} u^{- \frac{1}{2}})}{4} + 20 (\frac{3}{2}) \frac{3}{2} u^{- \frac{1}{2}} - 30 \frac{u}{2} u^{- \frac{1}{2}} - 30 (\frac{3}{2}) u^{- \frac{1}{2}} + 7 u^{- \frac{1}{2}} d u$

Step 8.40

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

$\frac{1}{2} \int \frac{20 u^{\frac{3}{2}}}{4} + \frac{20 u \cdot 3 u^{- \frac{1}{2}}}{4} + \frac{60 u^{1 - \frac{1}{2}}}{4} + 20 (\frac{3}{2}) \frac{3}{2} u^{- \frac{1}{2}} - 30 \frac{u}{2} u^{- \frac{1}{2}} - 30 (\frac{3}{2}) u^{- \frac{1}{2}} + 7 u^{- \frac{1}{2}} d u$

Step 8.41

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

$\frac{1}{2} \int \frac{20 u^{\frac{3}{2}}}{4} + \frac{20 u \cdot 3 u^{- \frac{1}{2}}}{4} + \frac{60 u^{\frac{2}{2} - \frac{1}{2}}}{4} + 20 (\frac{3}{2}) \frac{3}{2} u^{- \frac{1}{2}} - 30 \frac{u}{2} u^{- \frac{1}{2}} - 30 (\frac{3}{2}) u^{- \frac{1}{2}} + 7 u^{- \frac{1}{2}} d u$

Step 8.42

Combine the numerators over the common denominator.

$\frac{1}{2} \int \frac{20 u^{\frac{3}{2}}}{4} + \frac{20 u \cdot 3 u^{- \frac{1}{2}}}{4} + \frac{60 u^{\frac{2 - 1}{2}}}{4} + 20 (\frac{3}{2}) \frac{3}{2} u^{- \frac{1}{2}} - 30 \frac{u}{2} u^{- \frac{1}{2}} - 30 (\frac{3}{2}) u^{- \frac{1}{2}} + 7 u^{- \frac{1}{2}} d u$

Step 8.43

Subtract $1$ from $2$ .

$\frac{1}{2} \int \frac{20 u^{\frac{3}{2}}}{4} + \frac{20 u \cdot 3 u^{- \frac{1}{2}}}{4} + \frac{60 u^{\frac{1}{2}}}{4} + 20 (\frac{3}{2}) \frac{3}{2} u^{- \frac{1}{2}} - 30 \frac{u}{2} u^{- \frac{1}{2}} - 30 (\frac{3}{2}) u^{- \frac{1}{2}} + 7 u^{- \frac{1}{2}} d u$

Step 8.44

Combine $20$ and $\frac{3}{2}$ .

$\frac{1}{2} \int \frac{20 u^{\frac{3}{2}}}{4} + \frac{20 u \cdot 3 u^{- \frac{1}{2}}}{4} + \frac{60 u^{\frac{1}{2}}}{4} + \frac{20 \cdot 3}{2} \cdot \frac{3}{2} u^{- \frac{1}{2}} - 30 \frac{u}{2} u^{- \frac{1}{2}} - 30 (\frac{3}{2}) u^{- \frac{1}{2}} + 7 u^{- \frac{1}{2}} d u$

Step 8.45

Multiply $20$ by $3$ .

$\frac{1}{2} \int \frac{20 u^{\frac{3}{2}}}{4} + \frac{20 u \cdot 3 u^{- \frac{1}{2}}}{4} + \frac{60 u^{\frac{1}{2}}}{4} + \frac{60}{2} \cdot \frac{3}{2} u^{- \frac{1}{2}} - 30 \frac{u}{2} u^{- \frac{1}{2}} - 30 (\frac{3}{2}) u^{- \frac{1}{2}} + 7 u^{- \frac{1}{2}} d u$

Step 8.46

Multiply $\frac{60}{2}$ by $\frac{3}{2}$ .

$\frac{1}{2} \int \frac{20 u^{\frac{3}{2}}}{4} + \frac{20 u \cdot 3 u^{- \frac{1}{2}}}{4} + \frac{60 u^{\frac{1}{2}}}{4} + \frac{60 \cdot 3}{2 \cdot 2} u^{- \frac{1}{2}} - 30 \frac{u}{2} u^{- \frac{1}{2}} - 30 (\frac{3}{2}) u^{- \frac{1}{2}} + 7 u^{- \frac{1}{2}} d u$

Step 8.47

Multiply $60$ by $3$ .

$\frac{1}{2} \int \frac{20 u^{\frac{3}{2}}}{4} + \frac{20 u \cdot 3 u^{- \frac{1}{2}}}{4} + \frac{60 u^{\frac{1}{2}}}{4} + \frac{180}{2 \cdot 2} u^{- \frac{1}{2}} - 30 \frac{u}{2} u^{- \frac{1}{2}} - 30 (\frac{3}{2}) u^{- \frac{1}{2}} + 7 u^{- \frac{1}{2}} d u$

Step 8.48

Multiply $2$ by $2$ .

$\frac{1}{2} \int \frac{20 u^{\frac{3}{2}}}{4} + \frac{20 u \cdot 3 u^{- \frac{1}{2}}}{4} + \frac{60 u^{\frac{1}{2}}}{4} + \frac{180}{4} u^{- \frac{1}{2}} - 30 \frac{u}{2} u^{- \frac{1}{2}} - 30 (\frac{3}{2}) u^{- \frac{1}{2}} + 7 u^{- \frac{1}{2}} d u$

Step 8.49

Combine $\frac{180}{4}$ and $u^{- \frac{1}{2}}$ .

$\frac{1}{2} \int \frac{20 u^{\frac{3}{2}}}{4} + \frac{20 u \cdot 3 u^{- \frac{1}{2}}}{4} + \frac{60 u^{\frac{1}{2}}}{4} + \frac{180 u^{- \frac{1}{2}}}{4} - 30 \frac{u}{2} u^{- \frac{1}{2}} - 30 (\frac{3}{2}) u^{- \frac{1}{2}} + 7 u^{- \frac{1}{2}} d u$

Step 8.50

Combine $- 30$ and $\frac{u}{2}$ .

$\frac{1}{2} \int \frac{20 u^{\frac{3}{2}}}{4} + \frac{20 u \cdot 3 u^{- \frac{1}{2}}}{4} + \frac{60 u^{\frac{1}{2}}}{4} + \frac{180 u^{- \frac{1}{2}}}{4} + \frac{- 30 u}{2} u^{- \frac{1}{2}} - 30 (\frac{3}{2}) u^{- \frac{1}{2}} + 7 u^{- \frac{1}{2}} d u$

Step 8.51

Combine $\frac{- 30 u}{2}$ and $u^{- \frac{1}{2}}$ .

$\frac{1}{2} \int \frac{20 u^{\frac{3}{2}}}{4} + \frac{20 u \cdot 3 u^{- \frac{1}{2}}}{4} + \frac{60 u^{\frac{1}{2}}}{4} + \frac{180 u^{- \frac{1}{2}}}{4} + \frac{- 30 u \cdot u^{- \frac{1}{2}}}{2} - 30 (\frac{3}{2}) u^{- \frac{1}{2}} + 7 u^{- \frac{1}{2}} d u$

Step 8.52

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

$\frac{1}{2} \int \frac{20 u^{\frac{3}{2}}}{4} + \frac{20 u \cdot 3 u^{- \frac{1}{2}}}{4} + \frac{60 u^{\frac{1}{2}}}{4} + \frac{180 u^{- \frac{1}{2}}}{4} + \frac{- 30 (u^{1} u^{- \frac{1}{2}})}{2} - 30 (\frac{3}{2}) u^{- \frac{1}{2}} + 7 u^{- \frac{1}{2}} d u$

Step 8.53

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

$\frac{1}{2} \int \frac{20 u^{\frac{3}{2}}}{4} + \frac{20 u \cdot 3 u^{- \frac{1}{2}}}{4} + \frac{60 u^{\frac{1}{2}}}{4} + \frac{180 u^{- \frac{1}{2}}}{4} + \frac{- 30 u^{1 - \frac{1}{2}}}{2} - 30 (\frac{3}{2}) u^{- \frac{1}{2}} + 7 u^{- \frac{1}{2}} d u$

Step 8.54

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

$\frac{1}{2} \int \frac{20 u^{\frac{3}{2}}}{4} + \frac{20 u \cdot 3 u^{- \frac{1}{2}}}{4} + \frac{60 u^{\frac{1}{2}}}{4} + \frac{180 u^{- \frac{1}{2}}}{4} + \frac{- 30 u^{\frac{2}{2} - \frac{1}{2}}}{2} - 30 (\frac{3}{2}) u^{- \frac{1}{2}} + 7 u^{- \frac{1}{2}} d u$

Step 8.55

Combine the numerators over the common denominator.

$\frac{1}{2} \int \frac{20 u^{\frac{3}{2}}}{4} + \frac{20 u \cdot 3 u^{- \frac{1}{2}}}{4} + \frac{60 u^{\frac{1}{2}}}{4} + \frac{180 u^{- \frac{1}{2}}}{4} + \frac{- 30 u^{\frac{2 - 1}{2}}}{2} - 30 (\frac{3}{2}) u^{- \frac{1}{2}} + 7 u^{- \frac{1}{2}} d u$

Step 8.56

Subtract $1$ from $2$ .

$\frac{1}{2} \int \frac{20 u^{\frac{3}{2}}}{4} + \frac{20 u \cdot 3 u^{- \frac{1}{2}}}{4} + \frac{60 u^{\frac{1}{2}}}{4} + \frac{180 u^{- \frac{1}{2}}}{4} + \frac{- 30 u^{\frac{1}{2}}}{2} - 30 (\frac{3}{2}) u^{- \frac{1}{2}} + 7 u^{- \frac{1}{2}} d u$

Step 8.57

Combine $- 30$ and $\frac{3}{2}$ .

$\frac{1}{2} \int \frac{20 u^{\frac{3}{2}}}{4} + \frac{20 u \cdot 3 u^{- \frac{1}{2}}}{4} + \frac{60 u^{\frac{1}{2}}}{4} + \frac{180 u^{- \frac{1}{2}}}{4} + \frac{- 30 u^{\frac{1}{2}}}{2} + \frac{- 30 \cdot 3}{2} u^{- \frac{1}{2}} + 7 u^{- \frac{1}{2}} d u$

Step 8.58

Multiply $- 30$ by $3$ .

$\frac{1}{2} \int \frac{20 u^{\frac{3}{2}}}{4} + \frac{20 u \cdot 3 u^{- \frac{1}{2}}}{4} + \frac{60 u^{\frac{1}{2}}}{4} + \frac{180 u^{- \frac{1}{2}}}{4} + \frac{- 30 u^{\frac{1}{2}}}{2} + \frac{- 90}{2} u^{- \frac{1}{2}} + 7 u^{- \frac{1}{2}} d u$

Step 8.59

Combine $\frac{- 90}{2}$ and $u^{- \frac{1}{2}}$ .

$\frac{1}{2} \int \frac{20 u^{\frac{3}{2}}}{4} + \frac{20 u \cdot 3 u^{- \frac{1}{2}}}{4} + \frac{60 u^{\frac{1}{2}}}{4} + \frac{180 u^{- \frac{1}{2}}}{4} + \frac{- 30 u^{\frac{1}{2}}}{2} + \frac{- 90 u^{- \frac{1}{2}}}{2} + 7 u^{- \frac{1}{2}} d u$

Step 8.60

To write $7 u^{- \frac{1}{2}}$ as a fraction with a common denominator, multiply by $\frac{2}{2}$ .

$\frac{1}{2} \int \frac{20 u^{\frac{3}{2}}}{4} + \frac{20 u \cdot 3 u^{- \frac{1}{2}}}{4} + \frac{60 u^{\frac{1}{2}}}{4} + \frac{180 u^{- \frac{1}{2}}}{4} + \frac{- 30 u^{\frac{1}{2}}}{2} + \frac{- 90 u^{- \frac{1}{2}}}{2} + 7 u^{- \frac{1}{2}} \cdot \frac{2}{2} d u$

Step 8.61

Combine $7 u^{- \frac{1}{2}}$ and $\frac{2}{2}$ .

$\frac{1}{2} \int \frac{20 u^{\frac{3}{2}}}{4} + \frac{20 u \cdot 3 u^{- \frac{1}{2}}}{4} + \frac{60 u^{\frac{1}{2}}}{4} + \frac{180 u^{- \frac{1}{2}}}{4} + \frac{- 30 u^{\frac{1}{2}}}{2} + \frac{- 90 u^{- \frac{1}{2}}}{2} + \frac{7 u^{- \frac{1}{2}} \cdot 2}{2} d u$

Step 8.62

Combine the numerators over the common denominator.

$\frac{1}{2} \int \frac{20 u^{\frac{3}{2}}}{4} + \frac{20 u \cdot 3 u^{- \frac{1}{2}}}{4} + \frac{60 u^{\frac{1}{2}}}{4} + \frac{180 u^{- \frac{1}{2}}}{4} + \frac{- 30 u^{\frac{1}{2}}}{2} + \frac{- 90 u^{- \frac{1}{2}} + 7 u^{- \frac{1}{2}} \cdot 2}{2} d u$

Step 8.63

Combine the numerators over the common denominator.

$\frac{1}{2} \int \frac{20 u^{\frac{3}{2}}}{4} + \frac{20 u \cdot 3 u^{- \frac{1}{2}}}{4} + \frac{60 u^{\frac{1}{2}}}{4} + \frac{180 u^{- \frac{1}{2}}}{4} + \frac{- 30 u^{\frac{1}{2}} - 90 u^{- \frac{1}{2}} + 7 u^{- \frac{1}{2}} \cdot 2}{2} d u$

Step 8.64

To write $\frac{- 30 u^{\frac{1}{2}} - 90 u^{- \frac{1}{2}} + 7 u^{- \frac{1}{2}} \cdot 2}{2}$ as a fraction with a common denominator, multiply by $\frac{2}{2}$ .

$\frac{1}{2} \int \frac{20 u^{\frac{3}{2}}}{4} + \frac{20 u \cdot 3 u^{- \frac{1}{2}}}{4} + \frac{60 u^{\frac{1}{2}}}{4} + \frac{180 u^{- \frac{1}{2}}}{4} + \frac{- 30 u^{\frac{1}{2}} - 90 u^{- \frac{1}{2}} + 7 u^{- \frac{1}{2}} \cdot 2}{2} \cdot \frac{2}{2} d u$

Step 8.65

Write each expression with a common denominator of $4$ , by multiplying each by an appropriate factor of $1$ .

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Step 8.65.1

Multiply $\frac{- 30 u^{\frac{1}{2}} - 90 u^{- \frac{1}{2}} + 7 u^{- \frac{1}{2}} \cdot 2}{2}$ by $\frac{2}{2}$ .

$\frac{1}{2} \int \frac{20 u^{\frac{3}{2}}}{4} + \frac{20 u \cdot 3 u^{- \frac{1}{2}}}{4} + \frac{60 u^{\frac{1}{2}}}{4} + \frac{180 u^{- \frac{1}{2}}}{4} + \frac{(- 30 u^{\frac{1}{2}} - 90 u^{- \frac{1}{2}} + 7 u^{- \frac{1}{2}} \cdot 2) \cdot 2}{2 \cdot 2} d u$

Step 8.65.2

Multiply $2$ by $2$ .

Step 8.66

Combine the numerators over the common denominator.

$\frac{1}{2} \int \frac{20 u^{\frac{3}{2}}}{4} + \frac{20 u \cdot 3 u^{- \frac{1}{2}}}{4} + \frac{60 u^{\frac{1}{2}}}{4} + \frac{180 u^{- \frac{1}{2}} + (- 30 u^{\frac{1}{2}} - 90 u^{- \frac{1}{2}} + 7 u^{- \frac{1}{2}} \cdot 2) \cdot 2}{4} d u$

Step 8.67

Reorder $\frac{20 u^{\frac{3}{2}}}{4}$ and $\frac{20 u \cdot 3 u^{- \frac{1}{2}}}{4}$ .

$\frac{1}{2} \int \frac{20 u \cdot 3 u^{- \frac{1}{2}}}{4} + \frac{20 u^{\frac{3}{2}}}{4} + \frac{60 u^{\frac{1}{2}}}{4} + \frac{180 u^{- \frac{1}{2}} + (- 30 u^{\frac{1}{2}} - 90 u^{- \frac{1}{2}} + 7 u^{- \frac{1}{2}} \cdot 2) \cdot 2}{4} d u$

Step 8.68

Reorder $- 90 u^{- \frac{1}{2}}$ and $7 u^{- \frac{1}{2}} \cdot 2$ .

$\frac{1}{2} \int \frac{20 u \cdot 3 u^{- \frac{1}{2}}}{4} + \frac{20 u^{\frac{3}{2}}}{4} + \frac{60 u^{\frac{1}{2}}}{4} + \frac{180 u^{- \frac{1}{2}} + (- 30 u^{\frac{1}{2}} + 7 u^{- \frac{1}{2}} \cdot 2 - 90 u^{- \frac{1}{2}}) \cdot 2}{4} d u$

Step 8.69

Reorder $- 30 u^{\frac{1}{2}}$ and $7 u^{- \frac{1}{2}} \cdot 2$ .

$\frac{1}{2} \int \frac{20 u \cdot 3 u^{- \frac{1}{2}}}{4} + \frac{20 u^{\frac{3}{2}}}{4} + \frac{60 u^{\frac{1}{2}}}{4} + \frac{180 u^{- \frac{1}{2}} + (7 u^{- \frac{1}{2}} \cdot 2 - 30 u^{\frac{1}{2}} - 90 u^{- \frac{1}{2}}) \cdot 2}{4} d u$

Step 8.70

Reorder $180 u^{- \frac{1}{2}}$ and $(7 u^{- \frac{1}{2}} \cdot 2 - 30 u^{\frac{1}{2}} - 90 u^{- \frac{1}{2}}) \cdot 2$ .

$\frac{1}{2} \int \frac{20 u \cdot 3 u^{- \frac{1}{2}}}{4} + \frac{20 u^{\frac{3}{2}}}{4} + \frac{60 u^{\frac{1}{2}}}{4} + \frac{(7 u^{- \frac{1}{2}} \cdot 2 - 30 u^{\frac{1}{2}} - 90 u^{- \frac{1}{2}}) \cdot 2 + 180 u^{- \frac{1}{2}}}{4} d u$

Step 9

Simplify.

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Step 9.1

Multiply $3$ by $20$ .

$\frac{1}{2} \int \frac{60 u \cdot u^{- \frac{1}{2}}}{4} + \frac{20 u^{\frac{3}{2}}}{4} + \frac{60 u^{\frac{1}{2}}}{4} + \frac{(7 u^{- \frac{1}{2}} \cdot 2 - 30 u^{\frac{1}{2}} - 90 u^{- \frac{1}{2}}) \cdot 2 + 180 u^{- \frac{1}{2}}}{4} d u$

Step 9.2

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

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Step 9.2.1

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

$\frac{1}{2} \int \frac{60 (u^{- \frac{1}{2}} u)}{4} + \frac{20 u^{\frac{3}{2}}}{4} + \frac{60 u^{\frac{1}{2}}}{4} + \frac{(7 u^{- \frac{1}{2}} \cdot 2 - 30 u^{\frac{1}{2}} - 90 u^{- \frac{1}{2}}) \cdot 2 + 180 u^{- \frac{1}{2}}}{4} d u$

Step 9.2.2

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

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Step 9.2.2.1

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

$\frac{1}{2} \int \frac{60 (u^{- \frac{1}{2}} u^{1})}{4} + \frac{20 u^{\frac{3}{2}}}{4} + \frac{60 u^{\frac{1}{2}}}{4} + \frac{(7 u^{- \frac{1}{2}} \cdot 2 - 30 u^{\frac{1}{2}} - 90 u^{- \frac{1}{2}}) \cdot 2 + 180 u^{- \frac{1}{2}}}{4} d u$

Step 9.2.2.2

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

$\frac{1}{2} \int \frac{60 u^{- \frac{1}{2} + 1}}{4} + \frac{20 u^{\frac{3}{2}}}{4} + \frac{60 u^{\frac{1}{2}}}{4} + \frac{(7 u^{- \frac{1}{2}} \cdot 2 - 30 u^{\frac{1}{2}} - 90 u^{- \frac{1}{2}}) \cdot 2 + 180 u^{- \frac{1}{2}}}{4} d u$

Step 9.2.3

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

$\frac{1}{2} \int \frac{60 u^{- \frac{1}{2} + \frac{2}{2}}}{4} + \frac{20 u^{\frac{3}{2}}}{4} + \frac{60 u^{\frac{1}{2}}}{4} + \frac{(7 u^{- \frac{1}{2}} \cdot 2 - 30 u^{\frac{1}{2}} - 90 u^{- \frac{1}{2}}) \cdot 2 + 180 u^{- \frac{1}{2}}}{4} d u$

Step 9.2.4

Combine the numerators over the common denominator.

$\frac{1}{2} \int \frac{60 u^{\frac{- 1 + 2}{2}}}{4} + \frac{20 u^{\frac{3}{2}}}{4} + \frac{60 u^{\frac{1}{2}}}{4} + \frac{(7 u^{- \frac{1}{2}} \cdot 2 - 30 u^{\frac{1}{2}} - 90 u^{- \frac{1}{2}}) \cdot 2 + 180 u^{- \frac{1}{2}}}{4} d u$

Step 9.2.5

Add $- 1$ and $2$ .

$\frac{1}{2} \int \frac{60 u^{\frac{1}{2}}}{4} + \frac{20 u^{\frac{3}{2}}}{4} + \frac{60 u^{\frac{1}{2}}}{4} + \frac{(7 u^{- \frac{1}{2}} \cdot 2 - 30 u^{\frac{1}{2}} - 90 u^{- \frac{1}{2}}) \cdot 2 + 180 u^{- \frac{1}{2}}}{4} d u$

Step 9.3

Factor $4$ out of $60 u^{\frac{1}{2}}$ .

$\frac{1}{2} \int \frac{4 (15 u^{\frac{1}{2}})}{4} + \frac{20 u^{\frac{3}{2}}}{4} + \frac{60 u^{\frac{1}{2}}}{4} + \frac{(7 u^{- \frac{1}{2}} \cdot 2 - 30 u^{\frac{1}{2}} - 90 u^{- \frac{1}{2}}) \cdot 2 + 180 u^{- \frac{1}{2}}}{4} d u$

Step 9.4

Cancel the common factors.

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Step 9.4.1

Factor $4$ out of $4$ .

$\frac{1}{2} \int \frac{4 (15 u^{\frac{1}{2}})}{4 (1)} + \frac{20 u^{\frac{3}{2}}}{4} + \frac{60 u^{\frac{1}{2}}}{4} + \frac{(7 u^{- \frac{1}{2}} \cdot 2 - 30 u^{\frac{1}{2}} - 90 u^{- \frac{1}{2}}) \cdot 2 + 180 u^{- \frac{1}{2}}}{4} d u$

Step 9.4.2

Cancel the common factor.

$\frac{1}{2} \int \frac{4 (15 u^{\frac{1}{2}})}{4 \cdot 1} + \frac{20 u^{\frac{3}{2}}}{4} + \frac{60 u^{\frac{1}{2}}}{4} + \frac{(7 u^{- \frac{1}{2}} \cdot 2 - 30 u^{\frac{1}{2}} - 90 u^{- \frac{1}{2}}) \cdot 2 + 180 u^{- \frac{1}{2}}}{4} d u$

Step 9.4.3

Rewrite the expression.

$\frac{1}{2} \int \frac{15 u^{\frac{1}{2}}}{1} + \frac{20 u^{\frac{3}{2}}}{4} + \frac{60 u^{\frac{1}{2}}}{4} + \frac{(7 u^{- \frac{1}{2}} \cdot 2 - 30 u^{\frac{1}{2}} - 90 u^{- \frac{1}{2}}) \cdot 2 + 180 u^{- \frac{1}{2}}}{4} d u$

Step 9.4.4

Divide $15 u^{\frac{1}{2}}$ by $1$ .

$\frac{1}{2} \int 15 u^{\frac{1}{2}} + \frac{20 u^{\frac{3}{2}}}{4} + \frac{60 u^{\frac{1}{2}}}{4} + \frac{(7 u^{- \frac{1}{2}} \cdot 2 - 30 u^{\frac{1}{2}} - 90 u^{- \frac{1}{2}}) \cdot 2 + 180 u^{- \frac{1}{2}}}{4} d u$

Step 9.5

Factor $4$ out of $20 u^{\frac{3}{2}}$ .

$\frac{1}{2} \int 15 u^{\frac{1}{2}} + \frac{4 (5 u^{\frac{3}{2}})}{4} + \frac{60 u^{\frac{1}{2}}}{4} + \frac{(7 u^{- \frac{1}{2}} \cdot 2 - 30 u^{\frac{1}{2}} - 90 u^{- \frac{1}{2}}) \cdot 2 + 180 u^{- \frac{1}{2}}}{4} d u$

Step 9.6

Cancel the common factors.

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Step 9.6.1

Factor $4$ out of $4$ .

$\frac{1}{2} \int 15 u^{\frac{1}{2}} + \frac{4 (5 u^{\frac{3}{2}})}{4 (1)} + \frac{60 u^{\frac{1}{2}}}{4} + \frac{(7 u^{- \frac{1}{2}} \cdot 2 - 30 u^{\frac{1}{2}} - 90 u^{- \frac{1}{2}}) \cdot 2 + 180 u^{- \frac{1}{2}}}{4} d u$

Step 9.6.2

Cancel the common factor.

$\frac{1}{2} \int 15 u^{\frac{1}{2}} + \frac{4 (5 u^{\frac{3}{2}})}{4 \cdot 1} + \frac{60 u^{\frac{1}{2}}}{4} + \frac{(7 u^{- \frac{1}{2}} \cdot 2 - 30 u^{\frac{1}{2}} - 90 u^{- \frac{1}{2}}) \cdot 2 + 180 u^{- \frac{1}{2}}}{4} d u$

Step 9.6.3

Rewrite the expression.

$\frac{1}{2} \int 15 u^{\frac{1}{2}} + \frac{5 u^{\frac{3}{2}}}{1} + \frac{60 u^{\frac{1}{2}}}{4} + \frac{(7 u^{- \frac{1}{2}} \cdot 2 - 30 u^{\frac{1}{2}} - 90 u^{- \frac{1}{2}}) \cdot 2 + 180 u^{- \frac{1}{2}}}{4} d u$

Step 9.6.4

Divide $5 u^{\frac{3}{2}}$ by $1$ .

$\frac{1}{2} \int 15 u^{\frac{1}{2}} + 5 u^{\frac{3}{2}} + \frac{60 u^{\frac{1}{2}}}{4} + \frac{(7 u^{- \frac{1}{2}} \cdot 2 - 30 u^{\frac{1}{2}} - 90 u^{- \frac{1}{2}}) \cdot 2 + 180 u^{- \frac{1}{2}}}{4} d u$

Step 9.7

Factor $4$ out of $60 u^{\frac{1}{2}}$ .

$\frac{1}{2} \int 15 u^{\frac{1}{2}} + 5 u^{\frac{3}{2}} + \frac{4 (15 u^{\frac{1}{2}})}{4} + \frac{(7 u^{- \frac{1}{2}} \cdot 2 - 30 u^{\frac{1}{2}} - 90 u^{- \frac{1}{2}}) \cdot 2 + 180 u^{- \frac{1}{2}}}{4} d u$

Step 9.8

Cancel the common factors.

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Step 9.8.1

Factor $4$ out of $4$ .

$\frac{1}{2} \int 15 u^{\frac{1}{2}} + 5 u^{\frac{3}{2}} + \frac{4 (15 u^{\frac{1}{2}})}{4 (1)} + \frac{(7 u^{- \frac{1}{2}} \cdot 2 - 30 u^{\frac{1}{2}} - 90 u^{- \frac{1}{2}}) \cdot 2 + 180 u^{- \frac{1}{2}}}{4} d u$

Step 9.8.2

Cancel the common factor.

$\frac{1}{2} \int 15 u^{\frac{1}{2}} + 5 u^{\frac{3}{2}} + \frac{4 (15 u^{\frac{1}{2}})}{4 \cdot 1} + \frac{(7 u^{- \frac{1}{2}} \cdot 2 - 30 u^{\frac{1}{2}} - 90 u^{- \frac{1}{2}}) \cdot 2 + 180 u^{- \frac{1}{2}}}{4} d u$

Step 9.8.3

Rewrite the expression.

$\frac{1}{2} \int 15 u^{\frac{1}{2}} + 5 u^{\frac{3}{2}} + \frac{15 u^{\frac{1}{2}}}{1} + \frac{(7 u^{- \frac{1}{2}} \cdot 2 - 30 u^{\frac{1}{2}} - 90 u^{- \frac{1}{2}}) \cdot 2 + 180 u^{- \frac{1}{2}}}{4} d u$

Step 9.8.4

Divide $15 u^{\frac{1}{2}}$ by $1$ .

$\frac{1}{2} \int 15 u^{\frac{1}{2}} + 5 u^{\frac{3}{2}} + 15 u^{\frac{1}{2}} + \frac{(7 u^{- \frac{1}{2}} \cdot 2 - 30 u^{\frac{1}{2}} - 90 u^{- \frac{1}{2}}) \cdot 2 + 180 u^{- \frac{1}{2}}}{4} d u$

Step 9.9

Add $15 u^{\frac{1}{2}}$ and $15 u^{\frac{1}{2}}$ .

$\frac{1}{2} \int 30 u^{\frac{1}{2}} + 5 u^{\frac{3}{2}} + \frac{(7 u^{- \frac{1}{2}} \cdot 2 - 30 u^{\frac{1}{2}} - 90 u^{- \frac{1}{2}}) \cdot 2 + 180 u^{- \frac{1}{2}}}{4} d u$

Step 9.10

Multiply $2$ by $7$ .

$\frac{1}{2} \int 30 u^{\frac{1}{2}} + 5 u^{\frac{3}{2}} + \frac{(14 u^{- \frac{1}{2}} - 30 u^{\frac{1}{2}} - 90 u^{- \frac{1}{2}}) \cdot 2 + 180 u^{- \frac{1}{2}}}{4} d u$

Step 9.11

Subtract $90 u^{- \frac{1}{2}}$ from $14 u^{- \frac{1}{2}}$ .

$\frac{1}{2} \int 30 u^{\frac{1}{2}} + 5 u^{\frac{3}{2}} + \frac{(- 30 u^{\frac{1}{2}} - 76 u^{- \frac{1}{2}}) \cdot 2 + 180 u^{- \frac{1}{2}}}{4} d u$

Step 9.12

Move $2$ to the left of $- 30 u^{\frac{1}{2}} - 76 u^{- \frac{1}{2}}$ .

$\frac{1}{2} \int 30 u^{\frac{1}{2}} + 5 u^{\frac{3}{2}} + \frac{2 \cdot (- 30 u^{\frac{1}{2}} - 76 u^{- \frac{1}{2}}) + 180 u^{- \frac{1}{2}}}{4} d u$

Step 9.13

Factor $2$ out of $180 u^{- \frac{1}{2}}$ .

$\frac{1}{2} \int 30 u^{\frac{1}{2}} + 5 u^{\frac{3}{2}} + \frac{2 (- 30 u^{\frac{1}{2}} - 76 u^{- \frac{1}{2}}) + 2 (90 u^{- \frac{1}{2}})}{4} d u$

Step 9.14

Factor $2$ out of $2 (- 30 u^{\frac{1}{2}} - 76 u^{- \frac{1}{2}}) + 2 (90 u^{- \frac{1}{2}})$ .

$\frac{1}{2} \int 30 u^{\frac{1}{2}} + 5 u^{\frac{3}{2}} + \frac{2 (- 30 u^{\frac{1}{2}} - 76 u^{- \frac{1}{2}} + 90 u^{- \frac{1}{2}})}{4} d u$

Step 9.15

Cancel the common factors.

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Step 9.15.1

Factor $2$ out of $4$ .

$\frac{1}{2} \int 30 u^{\frac{1}{2}} + 5 u^{\frac{3}{2}} + \frac{2 (- 30 u^{\frac{1}{2}} - 76 u^{- \frac{1}{2}} + 90 u^{- \frac{1}{2}})}{2 \cdot 2} d u$

Step 9.15.2

Cancel the common factor.

$\frac{1}{2} \int 30 u^{\frac{1}{2}} + 5 u^{\frac{3}{2}} + \frac{2 (- 30 u^{\frac{1}{2}} - 76 u^{- \frac{1}{2}} + 90 u^{- \frac{1}{2}})}{2 \cdot 2} d u$

Step 9.15.3

Rewrite the expression.

$\frac{1}{2} \int 30 u^{\frac{1}{2}} + 5 u^{\frac{3}{2}} + \frac{- 30 u^{\frac{1}{2}} - 76 u^{- \frac{1}{2}} + 90 u^{- \frac{1}{2}}}{2} d u$

Step 9.16

Add $- 76 u^{- \frac{1}{2}}$ and $90 u^{- \frac{1}{2}}$ .

$\frac{1}{2} \int 30 u^{\frac{1}{2}} + 5 u^{\frac{3}{2}} + \frac{- 30 u^{\frac{1}{2}} + 14 u^{- \frac{1}{2}}}{2} d u$

Step 9.17

Factor $2$ out of $- 30 u^{\frac{1}{2}}$ .

$\frac{1}{2} \int 30 u^{\frac{1}{2}} + 5 u^{\frac{3}{2}} + \frac{2 (- 15 u^{\frac{1}{2}}) + 14 u^{- \frac{1}{2}}}{2} d u$

Step 9.18

Factor $2$ out of $14 u^{- \frac{1}{2}}$ .

$\frac{1}{2} \int 30 u^{\frac{1}{2}} + 5 u^{\frac{3}{2}} + \frac{2 (- 15 u^{\frac{1}{2}}) + 2 (7 u^{- \frac{1}{2}})}{2} d u$

Step 9.19

Factor $2$ out of $2 (- 15 u^{\frac{1}{2}}) + 2 (7 u^{- \frac{1}{2}})$ .

$\frac{1}{2} \int 30 u^{\frac{1}{2}} + 5 u^{\frac{3}{2}} + \frac{2 (- 15 u^{\frac{1}{2}} + 7 u^{- \frac{1}{2}})}{2} d u$

Step 9.20

Cancel the common factors.

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Step 9.20.1

Factor $2$ out of $2$ .

$\frac{1}{2} \int 30 u^{\frac{1}{2}} + 5 u^{\frac{3}{2}} + \frac{2 (- 15 u^{\frac{1}{2}} + 7 u^{- \frac{1}{2}})}{2 (1)} d u$

Step 9.20.2

Cancel the common factor.

$\frac{1}{2} \int 30 u^{\frac{1}{2}} + 5 u^{\frac{3}{2}} + \frac{2 (- 15 u^{\frac{1}{2}} + 7 u^{- \frac{1}{2}})}{2 \cdot 1} d u$

Step 9.20.3

Rewrite the expression.

$\frac{1}{2} \int 30 u^{\frac{1}{2}} + 5 u^{\frac{3}{2}} + \frac{- 15 u^{\frac{1}{2}} + 7 u^{- \frac{1}{2}}}{1} d u$

Step 9.20.4

Divide $- 15 u^{\frac{1}{2}} + 7 u^{- \frac{1}{2}}$ by $1$ .

$\frac{1}{2} \int 30 u^{\frac{1}{2}} + 5 u^{\frac{3}{2}} - 15 u^{\frac{1}{2}} + 7 u^{- \frac{1}{2}} d u$

Step 9.21

Subtract $15 u^{\frac{1}{2}}$ from $30 u^{\frac{1}{2}}$ .

$\frac{1}{2} \int 15 u^{\frac{1}{2}} + 5 u^{\frac{3}{2}} + 7 u^{- \frac{1}{2}} d u$

Step 10

Split the single integral into multiple integrals.

$\frac{1}{2} (\int 15 u^{\frac{1}{2}} d u + \int 5 u^{\frac{3}{2}} d u + \int 7 u^{- \frac{1}{2}} d u)$

Step 11

Since $15$ is constant with respect to $u$ , move $15$ out of the integral.

$\frac{1}{2} (15 \int u^{\frac{1}{2}} d u + \int 5 u^{\frac{3}{2}} d u + \int 7 u^{- \frac{1}{2}} d u)$

Step 12

By the Power Rule, the integral of $u^{\frac{1}{2}}$ with respect to $u$ is $\frac{2}{3} u^{\frac{3}{2}}$ .

$\frac{1}{2} (15 (\frac{2}{3} u^{\frac{3}{2}} + C) + \int 5 u^{\frac{3}{2}} d u + \int 7 u^{- \frac{1}{2}} d u)$

Step 13

Since $5$ is constant with respect to $u$ , move $5$ out of the integral.

$\frac{1}{2} (15 (\frac{2}{3} u^{\frac{3}{2}} + C) + 5 \int u^{\frac{3}{2}} d u + \int 7 u^{- \frac{1}{2}} d u)$

Step 14

By the Power Rule, the integral of $u^{\frac{3}{2}}$ with respect to $u$ is $\frac{2}{5} u^{\frac{5}{2}}$ .

$\frac{1}{2} (15 (\frac{2}{3} u^{\frac{3}{2}} + C) + 5 (\frac{2}{5} u^{\frac{5}{2}} + C) + \int 7 u^{- \frac{1}{2}} d u)$

Step 15

Since $7$ is constant with respect to $u$ , move $7$ out of the integral.

$\frac{1}{2} (15 (\frac{2}{3} u^{\frac{3}{2}} + C) + 5 (\frac{2}{5} u^{\frac{5}{2}} + C) + 7 \int u^{- \frac{1}{2}} d u)$

Step 16

By the Power Rule, the integral of $u^{- \frac{1}{2}}$ with respect to $u$ is $2 u^{\frac{1}{2}}$ .

$\frac{1}{2} (15 (\frac{2}{3} u^{\frac{3}{2}} + C) + 5 (\frac{2}{5} u^{\frac{5}{2}} + C) + 7 (2 u^{\frac{1}{2}} + C))$

Step 17

Simplify.

$\frac{1}{2} (10 u^{\frac{3}{2}} + 2 u^{\frac{5}{2}} + 14 u^{\frac{1}{2}}) + C$

Step 18

Replace all occurrences of $u$ with $2 x - 3$ .

$\frac{1}{2} (10 {(2 x - 3)}^{\frac{3}{2}} + 2 {(2 x - 3)}^{\frac{5}{2}} + 14 {(2 x - 3)}^{\frac{1}{2}}) + C$

Step 19

Simplify.

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Step 19.1

Apply the distributive property.

$\frac{1}{2} (10 {(2 x - 3)}^{\frac{3}{2}}) + \frac{1}{2} (2 {(2 x - 3)}^{\frac{5}{2}}) + \frac{1}{2} (14 {(2 x - 3)}^{\frac{1}{2}}) + C$

Step 19.2

Simplify.

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Step 19.2.1

Cancel the common factor of $2$ .

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Step 19.2.1.1

Factor $2$ out of $10 {(2 x - 3)}^{\frac{3}{2}}$ .

$\frac{1}{2} (2 (5 {(2 x - 3)}^{\frac{3}{2}})) + \frac{1}{2} (2 {(2 x - 3)}^{\frac{5}{2}}) + \frac{1}{2} (14 {(2 x - 3)}^{\frac{1}{2}}) + C$

Step 19.2.1.2

Cancel the common factor.

$\frac{1}{2} (2 (5 {(2 x - 3)}^{\frac{3}{2}})) + \frac{1}{2} (2 {(2 x - 3)}^{\frac{5}{2}}) + \frac{1}{2} (14 {(2 x - 3)}^{\frac{1}{2}}) + C$

Step 19.2.1.3

Rewrite the expression.

$5 {(2 x - 3)}^{\frac{3}{2}} + \frac{1}{2} (2 {(2 x - 3)}^{\frac{5}{2}}) + \frac{1}{2} (14 {(2 x - 3)}^{\frac{1}{2}}) + C$

Step 19.2.2

Cancel the common factor of $2$ .

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Step 19.2.2.1

Factor $2$ out of $2 {(2 x - 3)}^{\frac{5}{2}}$ .

$5 {(2 x - 3)}^{\frac{3}{2}} + \frac{1}{2} (2 ({(2 x - 3)}^{\frac{5}{2}})) + \frac{1}{2} (14 {(2 x - 3)}^{\frac{1}{2}}) + C$

Step 19.2.2.2

Cancel the common factor.

$5 {(2 x - 3)}^{\frac{3}{2}} + \frac{1}{2} (2 {(2 x - 3)}^{\frac{5}{2}}) + \frac{1}{2} (14 {(2 x - 3)}^{\frac{1}{2}}) + C$

Step 19.2.2.3

Rewrite the expression.

$5 {(2 x - 3)}^{\frac{3}{2}} + {(2 x - 3)}^{\frac{5}{2}} + \frac{1}{2} (14 {(2 x - 3)}^{\frac{1}{2}}) + C$

Step 19.2.3

Cancel the common factor of $2$ .

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Step 19.2.3.1

Factor $2$ out of $14 {(2 x - 3)}^{\frac{1}{2}}$ .

$5 {(2 x - 3)}^{\frac{3}{2}} + {(2 x - 3)}^{\frac{5}{2}} + \frac{1}{2} (2 (7 {(2 x - 3)}^{\frac{1}{2}})) + C$

Step 19.2.3.2

Cancel the common factor.

$5 {(2 x - 3)}^{\frac{3}{2}} + {(2 x - 3)}^{\frac{5}{2}} + \frac{1}{2} (2 (7 {(2 x - 3)}^{\frac{1}{2}})) + C$

Step 19.2.3.3

Rewrite the expression.

$5 {(2 x - 3)}^{\frac{3}{2}} + {(2 x - 3)}^{\frac{5}{2}} + 7 {(2 x - 3)}^{\frac{1}{2}} + C$

Step 20

The answer is the antiderivative of the function $f (x) = \frac{20 x^{2} - 30 x + 7}{\sqrt{2 x - 3}}$ .

$F (x) =$ $5 {(2 x - 3)}^{\frac{3}{2}} + {(2 x - 3)}^{\frac{5}{2}} + 7 {(2 x - 3)}^{\frac{1}{2}} + C$