Calculus Examples

$\int 2 x^{3} \sqrt{2 x + 1} d x$

Since $2$ is constant with respect to $x$ , move $2$ out of the integral.

$2 \int x^{3} \sqrt{2 x + 1} d x$

Integrate by parts using the formula $\int u d v = u v - \int v d u$ , where $u = x^{3}$ and $d v = \sqrt{2 x + 1}$ .

$2 (x^{3} (\frac{1}{3} {(2 x + 1)}^{\frac{3}{2}}) - \int \frac{1}{3} {(2 x + 1)}^{\frac{3}{2}} (3 x^{2}) d x)$

Simplify.

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

$2 (x^{3} \frac{{(2 x + 1)}^{\frac{3}{2}}}{3} - \int \frac{1}{3} {(2 x + 1)}^{\frac{3}{2}} (3 x^{2}) d x)$

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

$2 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \int \frac{1}{3} {(2 x + 1)}^{\frac{3}{2}} (3 x^{2}) d x)$

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

$2 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \int \frac{{(2 x + 1)}^{\frac{3}{2}}}{3} (3 x^{2}) d x)$

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

$2 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \int \frac{3 {(2 x + 1)}^{\frac{3}{2}}}{3} x^{2} d x)$

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

$2 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \int \frac{3 {(2 x + 1)}^{\frac{3}{2}} x^{2}}{3} d x)$

Cancel the common factor.

$2 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \int \frac{3 {(2 x + 1)}^{\frac{3}{2}} x^{2}}{3} d x)$

Divide ${(2 x + 1)}^{\frac{3}{2}} x^{2}$ by $1$ .

$2 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \int {(2 x + 1)}^{\frac{3}{2}} x^{2} d x)$

Let $u_{1} = 2 x + 1$ . Then $d u_{1} = 2 d x$ , so $\frac{1}{2} d u_{1} = d x$ . Rewrite using $u_{1}$ and $d$ $u_{1}$ .

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Let $u_{1} = 2 x + 1$ . Find $\frac{d u_{1}}{d x}$ .

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Differentiate $2 x + 1$ .

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

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

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

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

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

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

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

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

Multiply $2$ by $1$ .

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

Differentiate using the Constant Rule.

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

$2 + 0$

Add $2$ and $0$ .

$2$

Rewrite the problem using $u_{1}$ and $d u_{1}$ .

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

Simplify.

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

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

Combine $\frac{{u_{1}}^{\frac{3}{2}}}{2}$ and ${(\frac{u_{1}}{2} - \frac{1}{2})}^{2}$ .

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

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

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

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

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Let $u_{2} = \frac{u_{1}}{2} - \frac{1}{2}$ . Find $\frac{d u_{2}}{d u_{1}}$ .

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Differentiate $\frac{u_{1}}{2} - \frac{1}{2}$ .

$\frac{d}{d u_{1}} [\frac{u_{1}}{2} - \frac{1}{2}]$

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

$\frac{d}{d u_{1}} [\frac{u_{1}}{2}] + \frac{d}{d u_{1}} [- \frac{1}{2}]$

Evaluate $\frac{d}{d u_{1}} [\frac{u_{1}}{2}]$ .

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

$\frac{1}{2} \frac{d}{d u_{1}} [u_{1}] + \frac{d}{d u_{1}} [- \frac{1}{2}]$

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

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

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

$\frac{1}{2} + \frac{d}{d u_{1}} [- \frac{1}{2}]$

Differentiate using the Constant Rule.

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Since $- \frac{1}{2}$ is constant with respect to $u_{1}$ , the derivative of $- \frac{1}{2}$ with respect to $u_{1}$ is $0$ .

$\frac{1}{2} + 0$

Add $\frac{1}{2}$ and $0$ .

$\frac{1}{2}$

Rewrite the problem using $u_{2}$ and $d u_{2}$ .

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

Simplify.

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Multiply by the reciprocal of the fraction to divide by $\frac{1}{2}$ .

$2 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int {(2 u_{2} + 1)}^{\frac{3}{2}} {u_{2}}^{2} (1 \cdot 2) d u_{2})$

Multiply $2$ by $1$ .

$2 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int {(2 u_{2} + 1)}^{\frac{3}{2}} {u_{2}}^{2} \cdot 2 d u_{2})$

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

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

Since $2$ is constant with respect to $u_{2}$ , move $2$ out of the integral.

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

Simplify.

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Multiply $2$ by $- 1$ .

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

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

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

Cancel the common factor of $- 2$ and $2$ .

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Factor $2$ out of $- 2$ .

$2 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} + \frac{2 \cdot - 1}{2} \int {(2 u_{2} + 1)}^{\frac{3}{2}} {u_{2}}^{2} d u_{2})$

Cancel the common factors.

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Factor $2$ out of $2$ .

$2 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} + \frac{2 \cdot - 1}{2 (1)} \int {(2 u_{2} + 1)}^{\frac{3}{2}} {u_{2}}^{2} d u_{2})$

Cancel the common factor.

$2 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} + \frac{2 \cdot - 1}{2 \cdot 1} \int {(2 u_{2} + 1)}^{\frac{3}{2}} {u_{2}}^{2} d u_{2})$

Rewrite the expression.

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

Divide $- 1$ by $1$ .

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

Let $u_{3} = 2 u_{2} + 1$ . Then $d u_{3} = 2 d u_{2}$ , so $\frac{1}{2} d u_{3} = d u_{2}$ . Rewrite using $u_{3}$ and $d$ $u_{3}$ .

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Let $u_{3} = 2 u_{2} + 1$ . Find $\frac{d u_{3}}{d u_{2}}$ .

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Differentiate $2 u_{2} + 1$ .

$\frac{d}{d u_{2}} [2 u_{2} + 1]$

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

$\frac{d}{d u_{2}} [2 u_{2}] + \frac{d}{d u_{2}} [1]$

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

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

$2 \frac{d}{d u_{2}} [u_{2}] + \frac{d}{d u_{2}} [1]$

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

$2 \cdot 1 + \frac{d}{d u_{2}} [1]$

Multiply $2$ by $1$ .

$2 + \frac{d}{d u_{2}} [1]$

Differentiate using the Constant Rule.

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Since $1$ is constant with respect to $u_{2}$ , the derivative of $1$ with respect to $u_{2}$ is $0$ .

$2 + 0$

Add $2$ and $0$ .

$2$

Rewrite the problem using $u_{3}$ and $d u_{3}$ .

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

Simplify.

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

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

Combine $\frac{{u_{3}}^{\frac{3}{2}}}{2}$ and ${(\frac{u_{3}}{2} - \frac{1}{2})}^{2}$ .

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

Since $\frac{1}{2}$ is constant with respect to $u_{3}$ , move $\frac{1}{2}$ out of the integral.

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

Simplify.

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

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

Apply the distributive property.

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

Apply the distributive property.

$2 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int {u_{3}}^{\frac{3}{2}} (\frac{u_{3}}{2} \cdot \frac{u_{3}}{2} + \frac{u_{3}}{2} (- \frac{1}{2}) - \frac{1}{2} (\frac{u_{3}}{2} - \frac{1}{2})) d u_{3})$

Apply the distributive property.

$2 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int {u_{3}}^{\frac{3}{2}} (\frac{u_{3}}{2} \cdot \frac{u_{3}}{2} + \frac{u_{3}}{2} (- \frac{1}{2})) + {u_{3}}^{\frac{3}{2}} (- \frac{1}{2} \cdot \frac{u_{3}}{2} - \frac{1}{2} (- \frac{1}{2})) d u_{3})$

Apply the distributive property.

$2 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int {u_{3}}^{\frac{3}{2}} (\frac{u_{3}}{2} \cdot \frac{u_{3}}{2}) + {u_{3}}^{\frac{3}{2}} (\frac{u_{3}}{2} (- \frac{1}{2})) + {u_{3}}^{\frac{3}{2}} (- \frac{1}{2} \cdot \frac{u_{3}}{2} - \frac{1}{2} (- \frac{1}{2})) d u_{3})$

Apply the distributive property.

Reorder $\frac{u_{3}}{2}$ and $- 1$ .

$2 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int {u_{3}}^{\frac{3}{2}} \frac{u_{3}}{2} \frac{u_{3}}{2} + {u_{3}}^{\frac{3}{2}} (- 1 \cdot \frac{u_{3}}{2} \frac{1}{2}) + {u_{3}}^{\frac{3}{2}} (- \frac{1}{2} \cdot \frac{u_{3}}{2}) + {u_{3}}^{\frac{3}{2}} (- \frac{1}{2} (- \frac{1}{2})) d u_{3})$

Move parentheses.

$2 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int {u_{3}}^{\frac{3}{2}} \frac{u_{3}}{2} \frac{u_{3}}{2} + {u_{3}}^{\frac{3}{2}} (- 1 \cdot \frac{u_{3}}{2}) \frac{1}{2} + {u_{3}}^{\frac{3}{2}} (- \frac{1}{2} \cdot \frac{u_{3}}{2}) + {u_{3}}^{\frac{3}{2}} (- \frac{1}{2} (- \frac{1}{2})) d u_{3})$

Reorder ${u_{3}}^{\frac{3}{2}}$ and $- 1$ .

$2 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int {u_{3}}^{\frac{3}{2}} \frac{u_{3}}{2} \frac{u_{3}}{2} - 1 \cdot {u_{3}}^{\frac{3}{2}} \cdot \frac{u_{3}}{2} \frac{1}{2} + {u_{3}}^{\frac{3}{2}} (- \frac{1}{2} \cdot \frac{u_{3}}{2}) + {u_{3}}^{\frac{3}{2}} (- \frac{1}{2} (- \frac{1}{2})) d u_{3})$

Move parentheses.

$2 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int {u_{3}}^{\frac{3}{2}} \frac{u_{3}}{2} \frac{u_{3}}{2} - 1 \cdot {u_{3}}^{\frac{3}{2}} \cdot \frac{u_{3}}{2} \frac{1}{2} + {u_{3}}^{\frac{3}{2}} (- \frac{1}{2}) \frac{u_{3}}{2} + {u_{3}}^{\frac{3}{2}} (- \frac{1}{2} (- \frac{1}{2})) d u_{3})$

Reorder ${u_{3}}^{\frac{3}{2}}$ and $- 1$ .

$2 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int {u_{3}}^{\frac{3}{2}} \frac{u_{3}}{2} \frac{u_{3}}{2} - 1 \cdot {u_{3}}^{\frac{3}{2}} \cdot \frac{u_{3}}{2} \frac{1}{2} - 1 \cdot {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{u_{3}}{2} + {u_{3}}^{\frac{3}{2}} (- \frac{1}{2} (- \frac{1}{2})) d u_{3})$

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

$2 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int {u_{3}}^{\frac{3}{2}} \frac{u_{3}}{2} \frac{u_{3}}{2} - 1 \cdot {u_{3}}^{\frac{3}{2}} \cdot \frac{u_{3}}{2} \frac{1}{2} - 1 \cdot {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{u_{3}}{2} + {u_{3}}^{\frac{3}{2}} (- 1 \cdot - 1 \frac{1}{2} \frac{1}{2}) d u_{3})$

Move parentheses.

$2 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int {u_{3}}^{\frac{3}{2}} \frac{u_{3}}{2} \frac{u_{3}}{2} - 1 \cdot {u_{3}}^{\frac{3}{2}} \cdot \frac{u_{3}}{2} \frac{1}{2} - 1 \cdot {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{u_{3}}{2} + {u_{3}}^{\frac{3}{2}} (- 1 \cdot - 1 \frac{1}{2}) \frac{1}{2} d u_{3})$

Move parentheses.

$2 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int {u_{3}}^{\frac{3}{2}} \frac{u_{3}}{2} \frac{u_{3}}{2} - 1 \cdot {u_{3}}^{\frac{3}{2}} \cdot \frac{u_{3}}{2} \frac{1}{2} - 1 \cdot {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{u_{3}}{2} + {u_{3}}^{\frac{3}{2}} (- 1 \cdot - 1) \frac{1}{2} \frac{1}{2} d u_{3})$

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

$2 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int {u_{3}}^{\frac{3}{2}} \frac{u_{3}}{2} \frac{u_{3}}{2} - 1 \cdot {u_{3}}^{\frac{3}{2}} \cdot \frac{u_{3}}{2} \frac{1}{2} - 1 \cdot {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{u_{3}}{2} - 1 \cdot - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{1}{2} d u_{3})$

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

$2 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{3}{2}} u_{3}}{2} \cdot \frac{u_{3}}{2} - 1 {u_{3}}^{\frac{3}{2}} \frac{u_{3}}{2} \frac{1}{2} - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{u_{3}}{2} - 1 \cdot - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{1}{2} d u_{3})$

Raise $u_{3}$ to the power of $1$ .

$2 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{3}{2}} {u_{3}}^{1}}{2} \cdot \frac{u_{3}}{2} - 1 {u_{3}}^{\frac{3}{2}} \frac{u_{3}}{2} \frac{1}{2} - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{u_{3}}{2} - 1 \cdot - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{1}{2} d u_{3})$

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

$2 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{3}{2} + 1}}{2} \cdot \frac{u_{3}}{2} - 1 {u_{3}}^{\frac{3}{2}} \frac{u_{3}}{2} \frac{1}{2} - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{u_{3}}{2} - 1 \cdot - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{1}{2} d u_{3})$

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

$2 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{3}{2} + \frac{2}{2}}}{2} \cdot \frac{u_{3}}{2} - 1 {u_{3}}^{\frac{3}{2}} \frac{u_{3}}{2} \frac{1}{2} - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{u_{3}}{2} - 1 \cdot - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{1}{2} d u_{3})$

Combine the numerators over the common denominator.

$2 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{3 + 2}{2}}}{2} \cdot \frac{u_{3}}{2} - 1 {u_{3}}^{\frac{3}{2}} \frac{u_{3}}{2} \frac{1}{2} - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{u_{3}}{2} - 1 \cdot - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{1}{2} d u_{3})$

Add $3$ and $2$ .

$2 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{5}{2}}}{2} \cdot \frac{u_{3}}{2} - 1 {u_{3}}^{\frac{3}{2}} \frac{u_{3}}{2} \frac{1}{2} - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{u_{3}}{2} - 1 \cdot - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{1}{2} d u_{3})$

Multiply $\frac{{u_{3}}^{\frac{5}{2}}}{2}$ by $\frac{u_{3}}{2}$ .

$2 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{5}{2}} u_{3}}{2 \cdot 2} - 1 {u_{3}}^{\frac{3}{2}} \frac{u_{3}}{2} \frac{1}{2} - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{u_{3}}{2} - 1 \cdot - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{1}{2} d u_{3})$

Raise $u_{3}$ to the power of $1$ .

$2 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{5}{2}} {u_{3}}^{1}}{2 \cdot 2} - 1 {u_{3}}^{\frac{3}{2}} \frac{u_{3}}{2} \frac{1}{2} - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{u_{3}}{2} - 1 \cdot - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{1}{2} d u_{3})$

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

$2 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{5}{2} + 1}}{2 \cdot 2} - 1 {u_{3}}^{\frac{3}{2}} \frac{u_{3}}{2} \frac{1}{2} - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{u_{3}}{2} - 1 \cdot - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{1}{2} d u_{3})$

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

$2 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{5}{2} + \frac{2}{2}}}{2 \cdot 2} - 1 {u_{3}}^{\frac{3}{2}} \frac{u_{3}}{2} \frac{1}{2} - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{u_{3}}{2} - 1 \cdot - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{1}{2} d u_{3})$

Combine the numerators over the common denominator.

$2 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{5 + 2}{2}}}{2 \cdot 2} - 1 {u_{3}}^{\frac{3}{2}} \frac{u_{3}}{2} \frac{1}{2} - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{u_{3}}{2} - 1 \cdot - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{1}{2} d u_{3})$

Add $5$ and $2$ .

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

Multiply $2$ by $2$ .

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

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

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

Factor out negative.

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

Raise $u_{3}$ to the power of $1$ .

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

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

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

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

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

Combine the numerators over the common denominator.

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

Add $3$ and $2$ .

$2 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{7}{2}}}{4} + \frac{- {u_{3}}^{\frac{5}{2}}}{2} \cdot \frac{1}{2} - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{u_{3}}{2} - 1 \cdot - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{1}{2} d u_{3})$

Multiply $\frac{- {u_{3}}^{\frac{5}{2}}}{2}$ by $\frac{1}{2}$ .

$2 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{7}{2}}}{4} + \frac{- {u_{3}}^{\frac{5}{2}}}{2 \cdot 2} - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{u_{3}}{2} - 1 \cdot - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{1}{2} d u_{3})$

Multiply $2$ by $2$ .

$2 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{7}{2}}}{4} + \frac{- {u_{3}}^{\frac{5}{2}}}{4} - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{u_{3}}{2} - 1 \cdot - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{1}{2} d u_{3})$

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

$2 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{7}{2}}}{4} + \frac{- {u_{3}}^{\frac{5}{2}}}{4} + \frac{- 1 {u_{3}}^{\frac{3}{2}}}{2} \cdot \frac{u_{3}}{2} - 1 \cdot - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{1}{2} d u_{3})$

Multiply $\frac{- 1 {u_{3}}^{\frac{3}{2}}}{2}$ by $\frac{u_{3}}{2}$ .

$2 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{7}{2}}}{4} + \frac{- {u_{3}}^{\frac{5}{2}}}{4} + \frac{- 1 {u_{3}}^{\frac{3}{2}} u_{3}}{2 \cdot 2} - 1 \cdot - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{1}{2} d u_{3})$

Factor out negative.

$2 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{7}{2}}}{4} + \frac{- {u_{3}}^{\frac{5}{2}}}{4} + \frac{- ({u_{3}}^{\frac{3}{2}} u_{3})}{2 \cdot 2} - 1 \cdot - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{1}{2} d u_{3})$

Raise $u_{3}$ to the power of $1$ .

$2 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{7}{2}}}{4} + \frac{- {u_{3}}^{\frac{5}{2}}}{4} + \frac{- ({u_{3}}^{\frac{3}{2}} {u_{3}}^{1})}{2 \cdot 2} - 1 \cdot - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{1}{2} d u_{3})$

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

$2 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{7}{2}}}{4} + \frac{- {u_{3}}^{\frac{5}{2}}}{4} + \frac{- {u_{3}}^{\frac{3}{2} + 1}}{2 \cdot 2} - 1 \cdot - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{1}{2} d u_{3})$

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

$2 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{7}{2}}}{4} + \frac{- {u_{3}}^{\frac{5}{2}}}{4} + \frac{- {u_{3}}^{\frac{3}{2} + \frac{2}{2}}}{2 \cdot 2} - 1 \cdot - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{1}{2} d u_{3})$

Combine the numerators over the common denominator.

$2 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{7}{2}}}{4} + \frac{- {u_{3}}^{\frac{5}{2}}}{4} + \frac{- {u_{3}}^{\frac{3 + 2}{2}}}{2 \cdot 2} - 1 \cdot - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{1}{2} d u_{3})$

Add $3$ and $2$ .

$2 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{7}{2}}}{4} + \frac{- {u_{3}}^{\frac{5}{2}}}{4} + \frac{- {u_{3}}^{\frac{5}{2}}}{2 \cdot 2} - 1 \cdot - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{1}{2} d u_{3})$

Multiply $2$ by $2$ .

$2 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{7}{2}}}{4} + \frac{- {u_{3}}^{\frac{5}{2}}}{4} + \frac{- {u_{3}}^{\frac{5}{2}}}{4} - 1 \cdot - 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{1}{2} d u_{3})$

Multiply $- 1$ by $- 1$ .

$2 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{7}{2}}}{4} + \frac{- {u_{3}}^{\frac{5}{2}}}{4} + \frac{- {u_{3}}^{\frac{5}{2}}}{4} + 1 {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{1}{2} d u_{3})$

Multiply ${u_{3}}^{\frac{3}{2}}$ by $1$ .

$2 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{7}{2}}}{4} + \frac{- {u_{3}}^{\frac{5}{2}}}{4} + \frac{- {u_{3}}^{\frac{5}{2}}}{4} + {u_{3}}^{\frac{3}{2}} \frac{1}{2} \frac{1}{2} d u_{3})$

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

$2 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{7}{2}}}{4} + \frac{- {u_{3}}^{\frac{5}{2}}}{4} + \frac{- {u_{3}}^{\frac{5}{2}}}{4} + \frac{{u_{3}}^{\frac{3}{2}}}{2} \cdot \frac{1}{2} d u_{3})$

Multiply $\frac{{u_{3}}^{\frac{3}{2}}}{2}$ by $\frac{1}{2}$ .

$2 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{7}{2}}}{4} + \frac{- {u_{3}}^{\frac{5}{2}}}{4} + \frac{- {u_{3}}^{\frac{5}{2}}}{4} + \frac{{u_{3}}^{\frac{3}{2}}}{2 \cdot 2} d u_{3})$

Multiply $2$ by $2$ .

Add $\frac{- {u_{3}}^{\frac{5}{2}}}{4}$ and $\frac{- {u_{3}}^{\frac{5}{2}}}{4}$ .

$2 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{7}{2}}}{4} + 2 \frac{- {u_{3}}^{\frac{5}{2}}}{4} + \frac{{u_{3}}^{\frac{3}{2}}}{4} d u_{3})$

Combine $2$ and $\frac{- {u_{3}}^{\frac{5}{2}}}{4}$ .

$2 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{7}{2}}}{4} + \frac{2 (- {u_{3}}^{\frac{5}{2}})}{4} + \frac{{u_{3}}^{\frac{3}{2}}}{4} d u_{3})$

Multiply $2$ by $- 1$ .

$2 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{7}{2}}}{4} + \frac{- 2 {u_{3}}^{\frac{5}{2}}}{4} + \frac{{u_{3}}^{\frac{3}{2}}}{4} d u_{3})$

Simplify.

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Factor $2$ out of $- 2 {u_{3}}^{\frac{5}{2}}$ .

$2 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{7}{2}}}{4} + \frac{2 (- {u_{3}}^{\frac{5}{2}})}{4} + \frac{{u_{3}}^{\frac{3}{2}}}{4} d u_{3})$

Cancel the common factors.

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Factor $2$ out of $4$ .

$2 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{7}{2}}}{4} + \frac{2 (- {u_{3}}^{\frac{5}{2}})}{2 (2)} + \frac{{u_{3}}^{\frac{3}{2}}}{4} d u_{3})$

Cancel the common factor.

$2 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{7}{2}}}{4} + \frac{2 (- {u_{3}}^{\frac{5}{2}})}{2 \cdot 2} + \frac{{u_{3}}^{\frac{3}{2}}}{4} d u_{3})$

Rewrite the expression.

$2 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{7}{2}}}{4} + \frac{- {u_{3}}^{\frac{5}{2}}}{2} + \frac{{u_{3}}^{\frac{3}{2}}}{4} d u_{3})$

Move the negative in front of the fraction.

$2 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} \int \frac{{u_{3}}^{\frac{7}{2}}}{4} - \frac{{u_{3}}^{\frac{5}{2}}}{2} + \frac{{u_{3}}^{\frac{3}{2}}}{4} d u_{3})$

Split the single integral into multiple integrals.

$2 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} (\int \frac{{u_{3}}^{\frac{7}{2}}}{4} d u_{3} + \int - \frac{{u_{3}}^{\frac{5}{2}}}{2} d u_{3} + \int \frac{{u_{3}}^{\frac{3}{2}}}{4} d u_{3}))$

Since $\frac{1}{4}$ is constant with respect to $u_{3}$ , move $\frac{1}{4}$ out of the integral.

$2 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} (\frac{1}{4} \int {u_{3}}^{\frac{7}{2}} d u_{3} + \int - \frac{{u_{3}}^{\frac{5}{2}}}{2} d u_{3} + \int \frac{{u_{3}}^{\frac{3}{2}}}{4} d u_{3}))$

By the Power Rule, the integral of ${u_{3}}^{\frac{7}{2}}$ with respect to $u_{3}$ is $\frac{2}{9} {u_{3}}^{\frac{9}{2}}$ .

$2 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} (\frac{1}{4} (\frac{2}{9} {u_{3}}^{\frac{9}{2}} + C) + \int - \frac{{u_{3}}^{\frac{5}{2}}}{2} d u_{3} + \int \frac{{u_{3}}^{\frac{3}{2}}}{4} d u_{3}))$

Combine $\frac{2}{9}$ and ${u_{3}}^{\frac{9}{2}}$ .

$2 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} (\frac{1}{4} (\frac{2 {u_{3}}^{\frac{9}{2}}}{9} + C) + \int - \frac{{u_{3}}^{\frac{5}{2}}}{2} d u_{3} + \int \frac{{u_{3}}^{\frac{3}{2}}}{4} d u_{3}))$

Since $- 1$ is constant with respect to $u_{3}$ , move $- 1$ out of the integral.

$2 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} (\frac{1}{4} (\frac{2 {u_{3}}^{\frac{9}{2}}}{9} + C) - \int \frac{{u_{3}}^{\frac{5}{2}}}{2} d u_{3} + \int \frac{{u_{3}}^{\frac{3}{2}}}{4} d u_{3}))$

Since $\frac{1}{2}$ is constant with respect to $u_{3}$ , move $\frac{1}{2}$ out of the integral.

$2 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} (\frac{1}{4} (\frac{2 {u_{3}}^{\frac{9}{2}}}{9} + C) - (\frac{1}{2} \int {u_{3}}^{\frac{5}{2}} d u_{3}) + \int \frac{{u_{3}}^{\frac{3}{2}}}{4} d u_{3}))$

By the Power Rule, the integral of ${u_{3}}^{\frac{5}{2}}$ with respect to $u_{3}$ is $\frac{2}{7} {u_{3}}^{\frac{7}{2}}$ .

$2 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} (\frac{1}{4} (\frac{2 {u_{3}}^{\frac{9}{2}}}{9} + C) - \frac{1}{2} (\frac{2}{7} {u_{3}}^{\frac{7}{2}} + C) + \int \frac{{u_{3}}^{\frac{3}{2}}}{4} d u_{3}))$

Combine $\frac{2}{7}$ and ${u_{3}}^{\frac{7}{2}}$ .

$2 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{1}{2} (\frac{1}{4} (\frac{2 {u_{3}}^{\frac{9}{2}}}{9} + C) - \frac{1}{2} (\frac{2 {u_{3}}^{\frac{7}{2}}}{7} + C) + \int \frac{{u_{3}}^{\frac{3}{2}}}{4} d u_{3}))$

Since $\frac{1}{4}$ is constant with respect to $u_{3}$ , move $\frac{1}{4}$ out of the integral.

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

Simplify.

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Combine $\frac{2}{5}$ and ${u_{3}}^{\frac{5}{2}}$ .

Simplify.

$2 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} - \frac{{u_{3}}^{\frac{9}{2}}}{36} + \frac{{u_{3}}^{\frac{7}{2}}}{14} - \frac{{u_{3}}^{\frac{5}{2}}}{20}) + C$

Simplify.

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To write $\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3}$ as a fraction with a common denominator, multiply by $\frac{12}{12}$ .

$2 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3} \cdot \frac{12}{12} - \frac{{u_{3}}^{\frac{9}{2}}}{36} + \frac{{u_{3}}^{\frac{7}{2}}}{14} - \frac{{u_{3}}^{\frac{5}{2}}}{20}) + C$

Write each expression with a common denominator of $36$ , by multiplying each by an appropriate factor of $1$ .

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Multiply $\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}}}{3}$ by $\frac{12}{12}$ .

$2 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}} \cdot 12}{3 \cdot 12} - \frac{{u_{3}}^{\frac{9}{2}}}{36} + \frac{{u_{3}}^{\frac{7}{2}}}{14} - \frac{{u_{3}}^{\frac{5}{2}}}{20}) + C$

Multiply $3$ by $12$ .

$2 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}} \cdot 12}{36} - \frac{{u_{3}}^{\frac{9}{2}}}{36} + \frac{{u_{3}}^{\frac{7}{2}}}{14} - \frac{{u_{3}}^{\frac{5}{2}}}{20}) + C$

Combine the numerators over the common denominator.

$2 (\frac{x^{3} {(2 x + 1)}^{\frac{3}{2}} \cdot 12 - {u_{3}}^{\frac{9}{2}}}{36} + \frac{{u_{3}}^{\frac{7}{2}}}{14} - \frac{{u_{3}}^{\frac{5}{2}}}{20}) + C$

Move $12$ to the left of $x^{3} {(2 x + 1)}^{\frac{3}{2}}$ .

$2 (\frac{12 x^{3} {(2 x + 1)}^{\frac{3}{2}} - {u_{3}}^{\frac{9}{2}}}{36} + \frac{{u_{3}}^{\frac{7}{2}}}{14} - \frac{{u_{3}}^{\frac{5}{2}}}{20}) + C$

Substitute back in for each integration substitution variable.

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Replace all occurrences of $u_{3}$ with $2 u_{2} + 1$ .

$2 (\frac{12 x^{3} {(2 x + 1)}^{\frac{3}{2}} - {(2 u_{2} + 1)}^{\frac{9}{2}}}{36} + \frac{{(2 u_{2} + 1)}^{\frac{7}{2}}}{14} - \frac{{(2 u_{2} + 1)}^{\frac{5}{2}}}{20}) + C$

Replace all occurrences of $u_{2}$ with $\frac{u_{1}}{2} - \frac{1}{2}$ .

$2 (\frac{12 x^{3} {(2 x + 1)}^{\frac{3}{2}} - {(2 (\frac{u_{1}}{2} - \frac{1}{2}) + 1)}^{\frac{9}{2}}}{36} + \frac{{(2 (\frac{u_{1}}{2} - \frac{1}{2}) + 1)}^{\frac{7}{2}}}{14} - \frac{{(2 (\frac{u_{1}}{2} - \frac{1}{2}) + 1)}^{\frac{5}{2}}}{20}) + C$

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

$2 (\frac{12 x^{3} {(2 x + 1)}^{\frac{3}{2}} - {(2 (\frac{2 x + 1}{2} - \frac{1}{2}) + 1)}^{\frac{9}{2}}}{36} + \frac{{(2 (\frac{2 x + 1}{2} - \frac{1}{2}) + 1)}^{\frac{7}{2}}}{14} - \frac{{(2 (\frac{2 x + 1}{2} - \frac{1}{2}) + 1)}^{\frac{5}{2}}}{20}) + C$

Reorder terms.

$2 (\frac{1}{36} (12 x^{3} {(2 x + 1)}^{\frac{3}{2}} - {(2 (\frac{1}{2} (2 x + 1) - \frac{1}{2}) + 1)}^{\frac{9}{2}}) + \frac{1}{14} {(2 (\frac{1}{2} (2 x + 1) - \frac{1}{2}) + 1)}^{\frac{7}{2}} - \frac{1}{20} {(2 (\frac{1}{2} (2 x + 1) - \frac{1}{2}) + 1)}^{\frac{5}{2}}) + C$