Calculus Examples

$y = \sqrt{x^{- 1}} (\sqrt{x} - \frac{3}{\sqrt{x}})$

Step 1

Simplify the expression.

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Step 1.1

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

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

Step 1.2

Move the negative in front of the fraction.

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

Step 1.3

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

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

Step 1.4

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

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

Step 2

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

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

Step 3

Differentiate.

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Step 3.1

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

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

Step 3.2

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

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

Step 4

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

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

Step 5

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

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

Step 6

Combine the numerators over the common denominator.

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

Step 7

Simplify the numerator.

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Step 7.1

Multiply $- 1$ by $2$ .

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

Step 7.2

Subtract $2$ from $1$ .

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

Step 8

Combine fractions.

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Step 8.1

Move the negative in front of the fraction.

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

Step 8.2

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

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

Step 8.3

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

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

Step 9

Since $- 3$ is constant with respect to $x$ , the derivative of $- \frac{3}{x^{\frac{1}{2}}}$ with respect to $x$ is $- 3 \frac{d}{d x} [\frac{1}{x^{\frac{1}{2}}}]$ .

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

Step 10

Apply basic rules of exponents.

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Step 10.1

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

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

Step 10.2

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

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Step 10.2.1

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

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

Step 10.2.2

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

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

Step 10.2.3

Move the negative in front of the fraction.

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

Step 11

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

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

Step 12

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

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

Step 13

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

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

Step 14

Combine the numerators over the common denominator.

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

Step 15

Simplify the numerator.

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Step 15.1

Multiply $- 1$ by $2$ .

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

Step 15.2

Subtract $2$ from $- 1$ .

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

Step 16

Combine fractions.

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Step 16.1

Move the negative in front of the fraction.

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

Step 16.2

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

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

Step 16.3

Multiply $- 1$ by $- 3$ .

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

Step 16.4

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

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

Step 16.5

Move $x^{- \frac{3}{2}}$ to the denominator using the negative exponent rule $b^{- n} = \frac{1}{b^{n}}$ .

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

Step 17

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

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

Step 18

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

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

Step 19

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

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

Step 20

Combine the numerators over the common denominator.

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

Step 21

Simplify the numerator.

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Step 21.1

Multiply $- 1$ by $2$ .

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

Step 21.2

Subtract $2$ from $- 1$ .

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

Step 22

Move the negative in front of the fraction.

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

Step 23

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

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

Step 24

Move $x^{- \frac{3}{2}}$ to the denominator using the negative exponent rule $b^{- n} = \frac{1}{b^{n}}$ .

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

Step 25

Simplify.

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Step 25.1

Apply the distributive property.

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

Step 25.2

Apply the distributive property.

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

Step 25.3

Combine terms.

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Step 25.3.1

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

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

Step 25.3.2

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

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

Step 25.3.3

Simplify the denominator.

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Step 25.3.3.1

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

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Step 25.3.3.1.1

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

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

Step 25.3.3.1.2

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

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

Step 25.3.3.1.3

Combine the numerators over the common denominator.

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

Step 25.3.3.1.4

Add $1$ and $1$ .

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

Step 25.3.3.1.5

Divide $2$ by $2$ .

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

Step 25.3.3.2

Simplify $2 x^{1}$ .

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

Step 25.3.4

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

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

Step 25.3.5

Move $3$ to the left of $x^{- \frac{1}{2}}$ .

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

Step 25.3.6

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

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

Step 25.3.7

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

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Step 25.3.7.1

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

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

Step 25.3.7.2

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

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

Step 25.3.7.3

Combine the numerators over the common denominator.

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

Step 25.3.7.4

Add $1$ and $3$ .

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

Step 25.3.7.5

Divide $4$ by $2$ .

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

Step 25.3.8

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

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

Step 25.3.9

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

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

Step 25.3.10

Simplify the denominator.

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Step 25.3.10.1

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

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Step 25.3.10.1.1

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

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

Step 25.3.10.1.2

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

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

Step 25.3.10.1.3

Combine the numerators over the common denominator.

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

Step 25.3.10.1.4

Add $- 1$ and $3$ .

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

Step 25.3.10.1.5

Divide $2$ by $2$ .

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

Step 25.3.10.2

Simplify $2 x^{1}$ .

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

Step 25.3.11

Multiply $- 1$ by $- 1$ .

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

Step 25.3.12

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

$\frac{1}{2 x} + \frac{3}{2 x^{2}} - \frac{1}{2 x} + \frac{3}{x^{\frac{1}{2}}} \cdot \frac{1}{2 x^{\frac{3}{2}}}$

Step 25.3.13

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

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

Step 25.3.14

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

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Step 25.3.14.1

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

$\frac{1}{2 x} + \frac{3}{2 x^{2}} - \frac{1}{2 x} + \frac{3}{x^{\frac{3}{2}} x^{\frac{1}{2}} \cdot 2}$

Step 25.3.14.2

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

$\frac{1}{2 x} + \frac{3}{2 x^{2}} - \frac{1}{2 x} + \frac{3}{x^{\frac{3}{2} + \frac{1}{2}} \cdot 2}$

Step 25.3.14.3

Combine the numerators over the common denominator.

$\frac{1}{2 x} + \frac{3}{2 x^{2}} - \frac{1}{2 x} + \frac{3}{x^{\frac{3 + 1}{2}} \cdot 2}$

Step 25.3.14.4

Add $3$ and $1$ .

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

Step 25.3.14.5

Divide $4$ by $2$ .

$\frac{1}{2 x} + \frac{3}{2 x^{2}} - \frac{1}{2 x} + \frac{3}{x^{2} \cdot 2}$

Step 25.3.15

Move $2$ to the left of $x^{2}$ .

$\frac{1}{2 x} + \frac{3}{2 x^{2}} - \frac{1}{2 x} + \frac{3}{2 \cdot x^{2}}$

Step 25.3.16

Subtract $\frac{1}{2 x}$ from $\frac{1}{2 x}$ .

$\frac{3}{2 x^{2}} + 0 + \frac{3}{2 x^{2}}$

Step 25.3.17

Add $\frac{3}{2 x^{2}}$ and $0$ .

$\frac{3}{2 x^{2}} + \frac{3}{2 x^{2}}$

Step 25.3.18

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

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

Step 25.3.19

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

$\frac{2 \cdot 3}{2 x^{2}}$

Step 25.3.20

Multiply $2$ by $3$ .

$\frac{6}{2 x^{2}}$

Step 25.3.21

Cancel the common factor of $6$ and $2$ .

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Step 25.3.21.1

Factor $2$ out of $6$ .

$\frac{2 \cdot 3}{2 x^{2}}$

Step 25.3.21.2

Cancel the common factors.

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Step 25.3.21.2.1

Factor $2$ out of $2 x^{2}$ .

$\frac{2 \cdot 3}{2 (x^{2})}$

Step 25.3.21.2.2

Cancel the common factor.

$\frac{2 \cdot 3}{2 x^{2}}$

Step 25.3.21.2.3

Rewrite the expression.

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