Calculus Examples

$\frac{x^{4} - 5 x^{3} + \sqrt{x}}{x^{2}}$

Step 1

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

$\frac{d}{d x} [\frac{x^{4} - 5 x^{3} + x^{\frac{1}{2}}}{x^{2}}]$

Step 2

Factor $x^{\frac{1}{2}}$ out of $x^{4} - 5 x^{3} + x^{\frac{1}{2}}$ .

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Step 2.1

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

$\frac{d}{d x} [\frac{x^{\frac{1}{2}} x^{\frac{7}{2}} - 5 x^{3} + x^{\frac{1}{2}}}{x^{2}}]$

Step 2.2

Factor $x^{\frac{1}{2}}$ out of $- 5 x^{3}$ .

$\frac{d}{d x} [\frac{x^{\frac{1}{2}} x^{\frac{7}{2}} + x^{\frac{1}{2}} (- 5 x^{\frac{5}{2}}) + x^{\frac{1}{2}}}{x^{2}}]$

Step 2.3

Multiply by $1$ .

$\frac{d}{d x} [\frac{x^{\frac{1}{2}} x^{\frac{7}{2}} + x^{\frac{1}{2}} (- 5 x^{\frac{5}{2}}) + x^{\frac{1}{2}} \cdot 1}{x^{2}}]$

Step 2.4

Factor $x^{\frac{1}{2}}$ out of $x^{\frac{1}{2}} x^{\frac{7}{2}} + x^{\frac{1}{2}} (- 5 x^{\frac{5}{2}})$ .

$\frac{d}{d x} [\frac{x^{\frac{1}{2}} (x^{\frac{7}{2}} - 5 x^{\frac{5}{2}}) + x^{\frac{1}{2}} \cdot 1}{x^{2}}]$

Step 2.5

Factor $x^{\frac{1}{2}}$ out of $x^{\frac{1}{2}} (x^{\frac{7}{2}} - 5 x^{\frac{5}{2}}) + x^{\frac{1}{2}} \cdot 1$ .

$\frac{d}{d x} [\frac{x^{\frac{1}{2}} (x^{\frac{7}{2}} - 5 x^{\frac{5}{2}} + 1)}{x^{2}}]$

Step 3

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

$\frac{d}{d x} [\frac{x^{\frac{7}{2}} - 5 x^{\frac{5}{2}} + 1}{x^{2} x^{- \frac{1}{2}}}]$

Step 4

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

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Step 4.1

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

$\frac{d}{d x} [\frac{x^{\frac{7}{2}} - 5 x^{\frac{5}{2}} + 1}{x^{2 - \frac{1}{2}}}]$

Step 4.2

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

$\frac{d}{d x} [\frac{x^{\frac{7}{2}} - 5 x^{\frac{5}{2}} + 1}{x^{2 \cdot \frac{2}{2} - \frac{1}{2}}}]$

Step 4.3

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

$\frac{d}{d x} [\frac{x^{\frac{7}{2}} - 5 x^{\frac{5}{2}} + 1}{x^{\frac{2 \cdot 2}{2} - \frac{1}{2}}}]$

Step 4.4

Combine the numerators over the common denominator.

$\frac{d}{d x} [\frac{x^{\frac{7}{2}} - 5 x^{\frac{5}{2}} + 1}{x^{\frac{2 \cdot 2 - 1}{2}}}]$

Step 4.5

Simplify the numerator.

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Step 4.5.1

Multiply $2$ by $2$ .

$\frac{d}{d x} [\frac{x^{\frac{7}{2}} - 5 x^{\frac{5}{2}} + 1}{x^{\frac{4 - 1}{2}}}]$

Step 4.5.2

Subtract $1$ from $4$ .

$\frac{d}{d x} [\frac{x^{\frac{7}{2}} - 5 x^{\frac{5}{2}} + 1}{x^{\frac{3}{2}}}]$

Step 5

Differentiate using the Quotient Rule which states that $\frac{d}{d x} [\frac{f (x)}{g (x)}]$ is $\frac{g (x) \frac{d}{d x} [f (x)] - f (x) \frac{d}{d x} [g (x)]}{{g (x)}^{2}}$ where $f (x) = x^{\frac{7}{2}} - 5 x^{\frac{5}{2}} + 1$ and $g (x) = x^{\frac{3}{2}}$ .

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

Step 6

Differentiate.

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Step 6.1

Multiply the exponents in ${(x^{\frac{3}{2}})}^{2}$ .

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Step 6.1.1

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

$\frac{x^{\frac{3}{2}} \frac{d}{d x} [x^{\frac{7}{2}} - 5 x^{\frac{5}{2}} + 1] - (x^{\frac{7}{2}} - 5 x^{\frac{5}{2}} + 1) \frac{d}{d x} [x^{\frac{3}{2}}]}{x^{\frac{3}{2} \cdot 2}}$

Step 6.1.2

Cancel the common factor of $2$ .

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Step 6.1.2.1

Cancel the common factor.

$\frac{x^{\frac{3}{2}} \frac{d}{d x} [x^{\frac{7}{2}} - 5 x^{\frac{5}{2}} + 1] - (x^{\frac{7}{2}} - 5 x^{\frac{5}{2}} + 1) \frac{d}{d x} [x^{\frac{3}{2}}]}{x^{\frac{3}{2} \cdot 2}}$

Step 6.1.2.2

Rewrite the expression.

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

Step 6.2

By the Sum Rule, the derivative of $x^{\frac{7}{2}} - 5 x^{\frac{5}{2}} + 1$ with respect to $x$ is $\frac{d}{d x} [x^{\frac{7}{2}}] + \frac{d}{d x} [- 5 x^{\frac{5}{2}}] + \frac{d}{d x} [1]$ .

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

Step 6.3

Differentiate using the Power Rule which states that $\frac{d}{d x} [x^{n}]$ is $n x^{n - 1}$ where $n = \frac{7}{2}$ .

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

Step 7

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

$\frac{x^{\frac{3}{2}} (\frac{7}{2} x^{\frac{7}{2} - 1 \cdot \frac{2}{2}} + \frac{d}{d x} [- 5 x^{\frac{5}{2}}] + \frac{d}{d x} [1]) - (x^{\frac{7}{2}} - 5 x^{\frac{5}{2}} + 1) \frac{d}{d x} [x^{\frac{3}{2}}]}{x^{3}}$

Step 8

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

$\frac{x^{\frac{3}{2}} (\frac{7}{2} x^{\frac{7}{2} + \frac{- 1 \cdot 2}{2}} + \frac{d}{d x} [- 5 x^{\frac{5}{2}}] + \frac{d}{d x} [1]) - (x^{\frac{7}{2}} - 5 x^{\frac{5}{2}} + 1) \frac{d}{d x} [x^{\frac{3}{2}}]}{x^{3}}$

Step 9

Combine the numerators over the common denominator.

$\frac{x^{\frac{3}{2}} (\frac{7}{2} x^{\frac{7 - 1 \cdot 2}{2}} + \frac{d}{d x} [- 5 x^{\frac{5}{2}}] + \frac{d}{d x} [1]) - (x^{\frac{7}{2}} - 5 x^{\frac{5}{2}} + 1) \frac{d}{d x} [x^{\frac{3}{2}}]}{x^{3}}$

Step 10

Simplify the numerator.

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Step 10.1

Multiply $- 1$ by $2$ .

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

Step 10.2

Subtract $2$ from $7$ .

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

Step 11

Combine $\frac{7}{2}$ and $x^{\frac{5}{2}}$ .

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

Step 12

Since $- 5$ is constant with respect to $x$ , the derivative of $- 5 x^{\frac{5}{2}}$ with respect to $x$ is $- 5 \frac{d}{d x} [x^{\frac{5}{2}}]$ .

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

Step 13

Differentiate using the Power Rule which states that $\frac{d}{d x} [x^{n}]$ is $n x^{n - 1}$ where $n = \frac{5}{2}$ .

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

Step 14

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

$\frac{x^{\frac{3}{2}} (\frac{7 x^{\frac{5}{2}}}{2} - 5 (\frac{5}{2} x^{\frac{5}{2} - 1 \cdot \frac{2}{2}}) + \frac{d}{d x} [1]) - (x^{\frac{7}{2}} - 5 x^{\frac{5}{2}} + 1) \frac{d}{d x} [x^{\frac{3}{2}}]}{x^{3}}$

Step 15

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

$\frac{x^{\frac{3}{2}} (\frac{7 x^{\frac{5}{2}}}{2} - 5 (\frac{5}{2} x^{\frac{5}{2} + \frac{- 1 \cdot 2}{2}}) + \frac{d}{d x} [1]) - (x^{\frac{7}{2}} - 5 x^{\frac{5}{2}} + 1) \frac{d}{d x} [x^{\frac{3}{2}}]}{x^{3}}$

Step 16

Combine the numerators over the common denominator.

$\frac{x^{\frac{3}{2}} (\frac{7 x^{\frac{5}{2}}}{2} - 5 (\frac{5}{2} x^{\frac{5 - 1 \cdot 2}{2}}) + \frac{d}{d x} [1]) - (x^{\frac{7}{2}} - 5 x^{\frac{5}{2}} + 1) \frac{d}{d x} [x^{\frac{3}{2}}]}{x^{3}}$

Step 17

Simplify the numerator.

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Step 17.1

Multiply $- 1$ by $2$ .

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

Step 17.2

Subtract $2$ from $5$ .

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

Step 18

Combine fractions.

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Step 18.1

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

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

Step 18.2

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

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

Step 18.3

Simplify the expression.

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Step 18.3.1

Multiply $5$ by $- 5$ .

$\frac{x^{\frac{3}{2}} (\frac{7 x^{\frac{5}{2}}}{2} + \frac{- 25 x^{\frac{3}{2}}}{2} + \frac{d}{d x} [1]) - (x^{\frac{7}{2}} - 5 x^{\frac{5}{2}} + 1) \frac{d}{d x} [x^{\frac{3}{2}}]}{x^{3}}$

Step 18.3.2

Move the negative in front of the fraction.

$\frac{x^{\frac{3}{2}} (\frac{7 x^{\frac{5}{2}}}{2} - \frac{25 x^{\frac{3}{2}}}{2} + \frac{d}{d x} [1]) - (x^{\frac{7}{2}} - 5 x^{\frac{5}{2}} + 1) \frac{d}{d x} [x^{\frac{3}{2}}]}{x^{3}}$

Step 19

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

$\frac{x^{\frac{3}{2}} (\frac{7 x^{\frac{5}{2}}}{2} - \frac{25 x^{\frac{3}{2}}}{2} + 0) - (x^{\frac{7}{2}} - 5 x^{\frac{5}{2}} + 1) \frac{d}{d x} [x^{\frac{3}{2}}]}{x^{3}}$

Step 20

Add $\frac{7 x^{\frac{5}{2}}}{2} - \frac{25 x^{\frac{3}{2}}}{2}$ and $0$ .

$\frac{x^{\frac{3}{2}} (\frac{7 x^{\frac{5}{2}}}{2} - \frac{25 x^{\frac{3}{2}}}{2}) - (x^{\frac{7}{2}} - 5 x^{\frac{5}{2}} + 1) \frac{d}{d x} [x^{\frac{3}{2}}]}{x^{3}}$

Step 21

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

$\frac{x^{\frac{3}{2}} (\frac{7 x^{\frac{5}{2}}}{2} - \frac{25 x^{\frac{3}{2}}}{2}) - (x^{\frac{7}{2}} - 5 x^{\frac{5}{2}} + 1) (\frac{3}{2} x^{\frac{3}{2} - 1})}{x^{3}}$

Step 22

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

$\frac{x^{\frac{3}{2}} (\frac{7 x^{\frac{5}{2}}}{2} - \frac{25 x^{\frac{3}{2}}}{2}) - (x^{\frac{7}{2}} - 5 x^{\frac{5}{2}} + 1) (\frac{3}{2} x^{\frac{3}{2} - 1 \cdot \frac{2}{2}})}{x^{3}}$

Step 23

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

$\frac{x^{\frac{3}{2}} (\frac{7 x^{\frac{5}{2}}}{2} - \frac{25 x^{\frac{3}{2}}}{2}) - (x^{\frac{7}{2}} - 5 x^{\frac{5}{2}} + 1) (\frac{3}{2} x^{\frac{3}{2} + \frac{- 1 \cdot 2}{2}})}{x^{3}}$

Step 24

Combine the numerators over the common denominator.

$\frac{x^{\frac{3}{2}} (\frac{7 x^{\frac{5}{2}}}{2} - \frac{25 x^{\frac{3}{2}}}{2}) - (x^{\frac{7}{2}} - 5 x^{\frac{5}{2}} + 1) (\frac{3}{2} x^{\frac{3 - 1 \cdot 2}{2}})}{x^{3}}$

Step 25

Simplify the numerator.

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Step 25.1

Multiply $- 1$ by $2$ .

$\frac{x^{\frac{3}{2}} (\frac{7 x^{\frac{5}{2}}}{2} - \frac{25 x^{\frac{3}{2}}}{2}) - (x^{\frac{7}{2}} - 5 x^{\frac{5}{2}} + 1) (\frac{3}{2} x^{\frac{3 - 2}{2}})}{x^{3}}$

Step 25.2

Subtract $2$ from $3$ .

$\frac{x^{\frac{3}{2}} (\frac{7 x^{\frac{5}{2}}}{2} - \frac{25 x^{\frac{3}{2}}}{2}) - (x^{\frac{7}{2}} - 5 x^{\frac{5}{2}} + 1) (\frac{3}{2} x^{\frac{1}{2}})}{x^{3}}$

Step 26

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

$\frac{x^{\frac{3}{2}} (\frac{7 x^{\frac{5}{2}}}{2} - \frac{25 x^{\frac{3}{2}}}{2}) - (x^{\frac{7}{2}} - 5 x^{\frac{5}{2}} + 1) \frac{3 x^{\frac{1}{2}}}{2}}{x^{3}}$

Step 27

Simplify.

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Step 27.1

Apply the distributive property.

$\frac{x^{\frac{3}{2}} \frac{7 x^{\frac{5}{2}}}{2} + x^{\frac{3}{2}} (- \frac{25 x^{\frac{3}{2}}}{2}) - (x^{\frac{7}{2}} - 5 x^{\frac{5}{2}} + 1) \frac{3 x^{\frac{1}{2}}}{2}}{x^{3}}$

Step 27.2

Apply the distributive property.

$\frac{x^{\frac{3}{2}} \frac{7 x^{\frac{5}{2}}}{2} + x^{\frac{3}{2}} (- \frac{25 x^{\frac{3}{2}}}{2}) + (- x^{\frac{7}{2}} - (- 5 x^{\frac{5}{2}}) - 1 \cdot 1) \frac{3 x^{\frac{1}{2}}}{2}}{x^{3}}$

Step 27.3

Apply the distributive property.

$\frac{x^{\frac{3}{2}} \frac{7 x^{\frac{5}{2}}}{2} + x^{\frac{3}{2}} (- \frac{25 x^{\frac{3}{2}}}{2}) - x^{\frac{7}{2}} \frac{3 x^{\frac{1}{2}}}{2} - (- 5 x^{\frac{5}{2}}) \frac{3 x^{\frac{1}{2}}}{2} - 1 \cdot 1 \frac{3 x^{\frac{1}{2}}}{2}}{x^{3}}$

Step 27.4

Simplify the numerator.

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Step 27.4.1

Simplify each term.

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Step 27.4.1.1

Multiply $x^{\frac{3}{2}} \frac{7 x^{\frac{5}{2}}}{2}$ .

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Step 27.4.1.1.1

Combine $x^{\frac{3}{2}}$ and $\frac{7 x^{\frac{5}{2}}}{2}$ .

$\frac{\frac{x^{\frac{3}{2}} (7 x^{\frac{5}{2}})}{2} + x^{\frac{3}{2}} (- \frac{25 x^{\frac{3}{2}}}{2}) - x^{\frac{7}{2}} \frac{3 x^{\frac{1}{2}}}{2} - (- 5 x^{\frac{5}{2}}) \frac{3 x^{\frac{1}{2}}}{2} - 1 \cdot 1 \frac{3 x^{\frac{1}{2}}}{2}}{x^{3}}$

Step 27.4.1.1.2

Multiply $x^{\frac{3}{2}}$ by $x^{\frac{5}{2}}$ by adding the exponents.

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Step 27.4.1.1.2.1

Move $x^{\frac{5}{2}}$ .

$\frac{\frac{x^{\frac{5}{2}} x^{\frac{3}{2}} \cdot 7}{2} + x^{\frac{3}{2}} (- \frac{25 x^{\frac{3}{2}}}{2}) - x^{\frac{7}{2}} \frac{3 x^{\frac{1}{2}}}{2} - (- 5 x^{\frac{5}{2}}) \frac{3 x^{\frac{1}{2}}}{2} - 1 \cdot 1 \frac{3 x^{\frac{1}{2}}}{2}}{x^{3}}$

Step 27.4.1.1.2.2

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

$\frac{\frac{x^{\frac{5}{2} + \frac{3}{2}} \cdot 7}{2} + x^{\frac{3}{2}} (- \frac{25 x^{\frac{3}{2}}}{2}) - x^{\frac{7}{2}} \frac{3 x^{\frac{1}{2}}}{2} - (- 5 x^{\frac{5}{2}}) \frac{3 x^{\frac{1}{2}}}{2} - 1 \cdot 1 \frac{3 x^{\frac{1}{2}}}{2}}{x^{3}}$

Step 27.4.1.1.2.3

Combine the numerators over the common denominator.

$\frac{\frac{x^{\frac{5 + 3}{2}} \cdot 7}{2} + x^{\frac{3}{2}} (- \frac{25 x^{\frac{3}{2}}}{2}) - x^{\frac{7}{2}} \frac{3 x^{\frac{1}{2}}}{2} - (- 5 x^{\frac{5}{2}}) \frac{3 x^{\frac{1}{2}}}{2} - 1 \cdot 1 \frac{3 x^{\frac{1}{2}}}{2}}{x^{3}}$

Step 27.4.1.1.2.4

Add $5$ and $3$ .

$\frac{\frac{x^{\frac{8}{2}} \cdot 7}{2} + x^{\frac{3}{2}} (- \frac{25 x^{\frac{3}{2}}}{2}) - x^{\frac{7}{2}} \frac{3 x^{\frac{1}{2}}}{2} - (- 5 x^{\frac{5}{2}}) \frac{3 x^{\frac{1}{2}}}{2} - 1 \cdot 1 \frac{3 x^{\frac{1}{2}}}{2}}{x^{3}}$

Step 27.4.1.1.2.5

Divide $8$ by $2$ .

$\frac{\frac{x^{4} \cdot 7}{2} + x^{\frac{3}{2}} (- \frac{25 x^{\frac{3}{2}}}{2}) - x^{\frac{7}{2}} \frac{3 x^{\frac{1}{2}}}{2} - (- 5 x^{\frac{5}{2}}) \frac{3 x^{\frac{1}{2}}}{2} - 1 \cdot 1 \frac{3 x^{\frac{1}{2}}}{2}}{x^{3}}$

Step 27.4.1.2

Move $7$ to the left of $x^{4}$ .

$\frac{\frac{7 \cdot x^{4}}{2} + x^{\frac{3}{2}} (- \frac{25 x^{\frac{3}{2}}}{2}) - x^{\frac{7}{2}} \frac{3 x^{\frac{1}{2}}}{2} - (- 5 x^{\frac{5}{2}}) \frac{3 x^{\frac{1}{2}}}{2} - 1 \cdot 1 \frac{3 x^{\frac{1}{2}}}{2}}{x^{3}}$

Step 27.4.1.3

Rewrite using the commutative property of multiplication.

$\frac{\frac{7 x^{4}}{2} - x^{\frac{3}{2}} \frac{25 x^{\frac{3}{2}}}{2} - x^{\frac{7}{2}} \frac{3 x^{\frac{1}{2}}}{2} - (- 5 x^{\frac{5}{2}}) \frac{3 x^{\frac{1}{2}}}{2} - 1 \cdot 1 \frac{3 x^{\frac{1}{2}}}{2}}{x^{3}}$

Step 27.4.1.4

Multiply $- x^{\frac{3}{2}} \frac{25 x^{\frac{3}{2}}}{2}$ .

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Step 27.4.1.4.1

Combine $\frac{25 x^{\frac{3}{2}}}{2}$ and $x^{\frac{3}{2}}$ .

$\frac{\frac{7 x^{4}}{2} - \frac{25 x^{\frac{3}{2}} x^{\frac{3}{2}}}{2} - x^{\frac{7}{2}} \frac{3 x^{\frac{1}{2}}}{2} - (- 5 x^{\frac{5}{2}}) \frac{3 x^{\frac{1}{2}}}{2} - 1 \cdot 1 \frac{3 x^{\frac{1}{2}}}{2}}{x^{3}}$

Step 27.4.1.4.2

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

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Step 27.4.1.4.2.1

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

$\frac{\frac{7 x^{4}}{2} - \frac{25 (x^{\frac{3}{2}} x^{\frac{3}{2}})}{2} - x^{\frac{7}{2}} \frac{3 x^{\frac{1}{2}}}{2} - (- 5 x^{\frac{5}{2}}) \frac{3 x^{\frac{1}{2}}}{2} - 1 \cdot 1 \frac{3 x^{\frac{1}{2}}}{2}}{x^{3}}$

Step 27.4.1.4.2.2

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

$\frac{\frac{7 x^{4}}{2} - \frac{25 x^{\frac{3}{2} + \frac{3}{2}}}{2} - x^{\frac{7}{2}} \frac{3 x^{\frac{1}{2}}}{2} - (- 5 x^{\frac{5}{2}}) \frac{3 x^{\frac{1}{2}}}{2} - 1 \cdot 1 \frac{3 x^{\frac{1}{2}}}{2}}{x^{3}}$

Step 27.4.1.4.2.3

Combine the numerators over the common denominator.

$\frac{\frac{7 x^{4}}{2} - \frac{25 x^{\frac{3 + 3}{2}}}{2} - x^{\frac{7}{2}} \frac{3 x^{\frac{1}{2}}}{2} - (- 5 x^{\frac{5}{2}}) \frac{3 x^{\frac{1}{2}}}{2} - 1 \cdot 1 \frac{3 x^{\frac{1}{2}}}{2}}{x^{3}}$

Step 27.4.1.4.2.4

Add $3$ and $3$ .

$\frac{\frac{7 x^{4}}{2} - \frac{25 x^{\frac{6}{2}}}{2} - x^{\frac{7}{2}} \frac{3 x^{\frac{1}{2}}}{2} - (- 5 x^{\frac{5}{2}}) \frac{3 x^{\frac{1}{2}}}{2} - 1 \cdot 1 \frac{3 x^{\frac{1}{2}}}{2}}{x^{3}}$

Step 27.4.1.4.2.5

Divide $6$ by $2$ .

$\frac{\frac{7 x^{4}}{2} - \frac{25 x^{3}}{2} - x^{\frac{7}{2}} \frac{3 x^{\frac{1}{2}}}{2} - (- 5 x^{\frac{5}{2}}) \frac{3 x^{\frac{1}{2}}}{2} - 1 \cdot 1 \frac{3 x^{\frac{1}{2}}}{2}}{x^{3}}$

Step 27.4.1.5

Multiply $- x^{\frac{7}{2}} \frac{3 x^{\frac{1}{2}}}{2}$ .

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Step 27.4.1.5.1

Combine $\frac{3 x^{\frac{1}{2}}}{2}$ and $x^{\frac{7}{2}}$ .

$\frac{\frac{7 x^{4}}{2} - \frac{25 x^{3}}{2} - \frac{3 x^{\frac{1}{2}} x^{\frac{7}{2}}}{2} - (- 5 x^{\frac{5}{2}}) \frac{3 x^{\frac{1}{2}}}{2} - 1 \cdot 1 \frac{3 x^{\frac{1}{2}}}{2}}{x^{3}}$

Step 27.4.1.5.2

Multiply $x^{\frac{1}{2}}$ by $x^{\frac{7}{2}}$ by adding the exponents.

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Step 27.4.1.5.2.1

Move $x^{\frac{7}{2}}$ .

$\frac{\frac{7 x^{4}}{2} - \frac{25 x^{3}}{2} - \frac{3 (x^{\frac{7}{2}} x^{\frac{1}{2}})}{2} - (- 5 x^{\frac{5}{2}}) \frac{3 x^{\frac{1}{2}}}{2} - 1 \cdot 1 \frac{3 x^{\frac{1}{2}}}{2}}{x^{3}}$

Step 27.4.1.5.2.2

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

$\frac{\frac{7 x^{4}}{2} - \frac{25 x^{3}}{2} - \frac{3 x^{\frac{7}{2} + \frac{1}{2}}}{2} - (- 5 x^{\frac{5}{2}}) \frac{3 x^{\frac{1}{2}}}{2} - 1 \cdot 1 \frac{3 x^{\frac{1}{2}}}{2}}{x^{3}}$

Step 27.4.1.5.2.3

Combine the numerators over the common denominator.

$\frac{\frac{7 x^{4}}{2} - \frac{25 x^{3}}{2} - \frac{3 x^{\frac{7 + 1}{2}}}{2} - (- 5 x^{\frac{5}{2}}) \frac{3 x^{\frac{1}{2}}}{2} - 1 \cdot 1 \frac{3 x^{\frac{1}{2}}}{2}}{x^{3}}$

Step 27.4.1.5.2.4

Add $7$ and $1$ .

$\frac{\frac{7 x^{4}}{2} - \frac{25 x^{3}}{2} - \frac{3 x^{\frac{8}{2}}}{2} - (- 5 x^{\frac{5}{2}}) \frac{3 x^{\frac{1}{2}}}{2} - 1 \cdot 1 \frac{3 x^{\frac{1}{2}}}{2}}{x^{3}}$

Step 27.4.1.5.2.5

Divide $8$ by $2$ .

$\frac{\frac{7 x^{4}}{2} - \frac{25 x^{3}}{2} - \frac{3 x^{4}}{2} - (- 5 x^{\frac{5}{2}}) \frac{3 x^{\frac{1}{2}}}{2} - 1 \cdot 1 \frac{3 x^{\frac{1}{2}}}{2}}{x^{3}}$

Step 27.4.1.6

Multiply $- 5$ by $- 1$ .

$\frac{\frac{7 x^{4}}{2} - \frac{25 x^{3}}{2} - \frac{3 x^{4}}{2} + 5 x^{\frac{5}{2}} \frac{3 x^{\frac{1}{2}}}{2} - 1 \cdot 1 \frac{3 x^{\frac{1}{2}}}{2}}{x^{3}}$

Step 27.4.1.7

Multiply $5 x^{\frac{5}{2}} \frac{3 x^{\frac{1}{2}}}{2}$ .

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Step 27.4.1.7.1

Combine $5$ and $\frac{3 x^{\frac{1}{2}}}{2}$ .

$\frac{\frac{7 x^{4}}{2} - \frac{25 x^{3}}{2} - \frac{3 x^{4}}{2} + x^{\frac{5}{2}} \frac{5 (3 x^{\frac{1}{2}})}{2} - 1 \cdot 1 \frac{3 x^{\frac{1}{2}}}{2}}{x^{3}}$

Step 27.4.1.7.2

Multiply $3$ by $5$ .

$\frac{\frac{7 x^{4}}{2} - \frac{25 x^{3}}{2} - \frac{3 x^{4}}{2} + x^{\frac{5}{2}} \frac{15 x^{\frac{1}{2}}}{2} - 1 \cdot 1 \frac{3 x^{\frac{1}{2}}}{2}}{x^{3}}$

Step 27.4.1.7.3

Combine $x^{\frac{5}{2}}$ and $\frac{15 x^{\frac{1}{2}}}{2}$ .

$\frac{\frac{7 x^{4}}{2} - \frac{25 x^{3}}{2} - \frac{3 x^{4}}{2} + \frac{x^{\frac{5}{2}} (15 x^{\frac{1}{2}})}{2} - 1 \cdot 1 \frac{3 x^{\frac{1}{2}}}{2}}{x^{3}}$

Step 27.4.1.7.4

Multiply $x^{\frac{5}{2}}$ by $x^{\frac{1}{2}}$ by adding the exponents.

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Step 27.4.1.7.4.1

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

$\frac{\frac{7 x^{4}}{2} - \frac{25 x^{3}}{2} - \frac{3 x^{4}}{2} + \frac{x^{\frac{1}{2}} x^{\frac{5}{2}} \cdot 15}{2} - 1 \cdot 1 \frac{3 x^{\frac{1}{2}}}{2}}{x^{3}}$

Step 27.4.1.7.4.2

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

$\frac{\frac{7 x^{4}}{2} - \frac{25 x^{3}}{2} - \frac{3 x^{4}}{2} + \frac{x^{\frac{1}{2} + \frac{5}{2}} \cdot 15}{2} - 1 \cdot 1 \frac{3 x^{\frac{1}{2}}}{2}}{x^{3}}$

Step 27.4.1.7.4.3

Combine the numerators over the common denominator.

$\frac{\frac{7 x^{4}}{2} - \frac{25 x^{3}}{2} - \frac{3 x^{4}}{2} + \frac{x^{\frac{1 + 5}{2}} \cdot 15}{2} - 1 \cdot 1 \frac{3 x^{\frac{1}{2}}}{2}}{x^{3}}$

Step 27.4.1.7.4.4

Add $1$ and $5$ .

$\frac{\frac{7 x^{4}}{2} - \frac{25 x^{3}}{2} - \frac{3 x^{4}}{2} + \frac{x^{\frac{6}{2}} \cdot 15}{2} - 1 \cdot 1 \frac{3 x^{\frac{1}{2}}}{2}}{x^{3}}$

Step 27.4.1.7.4.5

Divide $6$ by $2$ .

$\frac{\frac{7 x^{4}}{2} - \frac{25 x^{3}}{2} - \frac{3 x^{4}}{2} + \frac{x^{3} \cdot 15}{2} - 1 \cdot 1 \frac{3 x^{\frac{1}{2}}}{2}}{x^{3}}$

Step 27.4.1.8

Move $15$ to the left of $x^{3}$ .

$\frac{\frac{7 x^{4}}{2} - \frac{25 x^{3}}{2} - \frac{3 x^{4}}{2} + \frac{15 \cdot x^{3}}{2} - 1 \cdot 1 \frac{3 x^{\frac{1}{2}}}{2}}{x^{3}}$

Step 27.4.1.9

Multiply $- 1$ by $1$ .

$\frac{\frac{7 x^{4}}{2} - \frac{25 x^{3}}{2} - \frac{3 x^{4}}{2} + \frac{15 x^{3}}{2} - 1 \frac{3 x^{\frac{1}{2}}}{2}}{x^{3}}$

Step 27.4.1.10

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

$\frac{\frac{7 x^{4}}{2} - \frac{25 x^{3}}{2} - \frac{3 x^{4}}{2} + \frac{15 x^{3}}{2} - \frac{3 x^{\frac{1}{2}}}{2}}{x^{3}}$

Step 27.4.2

Combine the numerators over the common denominator.

$\frac{\frac{7 x^{4} - 25 x^{3} - 3 x^{4} + 15 x^{3} - 3 x^{\frac{1}{2}}}{2}}{x^{3}}$

Step 27.4.3

Subtract $3 x^{4}$ from $7 x^{4}$ .

$\frac{\frac{4 x^{4} - 25 x^{3} + 15 x^{3} - 3 x^{\frac{1}{2}}}{2}}{x^{3}}$

Step 27.4.4

Add $- 25 x^{3}$ and $15 x^{3}$ .

$\frac{\frac{4 x^{4} - 10 x^{3} - 3 x^{\frac{1}{2}}}{2}}{x^{3}}$

Step 27.4.5

Factor $x^{\frac{1}{2}}$ out of $4 x^{4} - 10 x^{3} - 3 x^{\frac{1}{2}}$ .

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Step 27.4.5.1

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

$\frac{\frac{x^{\frac{1}{2}} (4 x^{\frac{7}{2}}) - 10 x^{3} - 3 x^{\frac{1}{2}}}{2}}{x^{3}}$

Step 27.4.5.2

Factor $x^{\frac{1}{2}}$ out of $- 10 x^{3}$ .

$\frac{\frac{x^{\frac{1}{2}} (4 x^{\frac{7}{2}}) + x^{\frac{1}{2}} (- 10 x^{\frac{5}{2}}) - 3 x^{\frac{1}{2}}}{2}}{x^{3}}$

Step 27.4.5.3

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

$\frac{\frac{x^{\frac{1}{2}} (4 x^{\frac{7}{2}}) + x^{\frac{1}{2}} (- 10 x^{\frac{5}{2}}) + x^{\frac{1}{2}} \cdot - 3}{2}}{x^{3}}$

Step 27.4.5.4

Factor $x^{\frac{1}{2}}$ out of $x^{\frac{1}{2}} (4 x^{\frac{7}{2}}) + x^{\frac{1}{2}} (- 10 x^{\frac{5}{2}})$ .

$\frac{\frac{x^{\frac{1}{2}} (4 x^{\frac{7}{2}} - 10 x^{\frac{5}{2}}) + x^{\frac{1}{2}} \cdot - 3}{2}}{x^{3}}$

Step 27.4.5.5

Factor $x^{\frac{1}{2}}$ out of $x^{\frac{1}{2}} (4 x^{\frac{7}{2}} - 10 x^{\frac{5}{2}}) + x^{\frac{1}{2}} \cdot - 3$ .

$\frac{\frac{x^{\frac{1}{2}} (4 x^{\frac{7}{2}} - 10 x^{\frac{5}{2}} - 3)}{2}}{x^{3}}$

Step 27.5

Combine terms.

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Step 27.5.1

Rewrite $\frac{\frac{x^{\frac{1}{2}} (4 x^{\frac{7}{2}} - 10 x^{\frac{5}{2}} - 3)}{2}}{x^{3}}$ as a product.

$\frac{x^{\frac{1}{2}} (4 x^{\frac{7}{2}} - 10 x^{\frac{5}{2}} - 3)}{2} \cdot \frac{1}{x^{3}}$

Step 27.5.2

Multiply $\frac{x^{\frac{1}{2}} (4 x^{\frac{7}{2}} - 10 x^{\frac{5}{2}} - 3)}{2}$ by $\frac{1}{x^{3}}$ .

$\frac{x^{\frac{1}{2}} (4 x^{\frac{7}{2}} - 10 x^{\frac{5}{2}} - 3)}{2 x^{3}}$

Step 27.5.3

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

$\frac{4 x^{\frac{7}{2}} - 10 x^{\frac{5}{2}} - 3}{2 x^{3} x^{- \frac{1}{2}}}$

Step 27.5.4

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

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Step 27.5.4.1

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

$\frac{4 x^{\frac{7}{2}} - 10 x^{\frac{5}{2}} - 3}{2 (x^{- \frac{1}{2}} x^{3})}$

Step 27.5.4.2

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

$\frac{4 x^{\frac{7}{2}} - 10 x^{\frac{5}{2}} - 3}{2 x^{- \frac{1}{2} + 3}}$

Step 27.5.4.3

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

$\frac{4 x^{\frac{7}{2}} - 10 x^{\frac{5}{2}} - 3}{2 x^{- \frac{1}{2} + 3 \cdot \frac{2}{2}}}$

Step 27.5.4.4

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

$\frac{4 x^{\frac{7}{2}} - 10 x^{\frac{5}{2}} - 3}{2 x^{- \frac{1}{2} + \frac{3 \cdot 2}{2}}}$

Step 27.5.4.5

Combine the numerators over the common denominator.

$\frac{4 x^{\frac{7}{2}} - 10 x^{\frac{5}{2}} - 3}{2 x^{\frac{- 1 + 3 \cdot 2}{2}}}$

Step 27.5.4.6

Simplify the numerator.

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Step 27.5.4.6.1

Multiply $3$ by $2$ .

$\frac{4 x^{\frac{7}{2}} - 10 x^{\frac{5}{2}} - 3}{2 x^{\frac{- 1 + 6}{2}}}$

Step 27.5.4.6.2

Add $- 1$ and $6$ .

$\frac{4 x^{\frac{7}{2}} - 10 x^{\frac{5}{2}} - 3}{2 x^{\frac{5}{2}}}$