Calculus Examples

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

Step 1

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

$\frac{d}{d x} [\frac{6 x^{2} + 2 x + 6}{x^{\frac{1}{2}}}]$

Step 2

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 $f (x) = 6 x^{2} + 2 x + 6$ and $g (x) = x^{\frac{1}{2}}$ .

$\frac{x^{\frac{1}{2}} \frac{d}{d x} [6 x^{2} + 2 x + 6] - (6 x^{2} + 2 x + 6) \frac{d}{d x} [x^{\frac{1}{2}}]}{{(x^{\frac{1}{2}})}^{2}}$

Step 3

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

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Step 3.1

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

$\frac{x^{\frac{1}{2}} \frac{d}{d x} [6 x^{2} + 2 x + 6] - (6 x^{2} + 2 x + 6) \frac{d}{d x} [x^{\frac{1}{2}}]}{x^{\frac{1}{2} \cdot 2}}$

Step 3.2

Cancel the common factor of $2$ .

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Step 3.2.1

Cancel the common factor.

$\frac{x^{\frac{1}{2}} \frac{d}{d x} [6 x^{2} + 2 x + 6] - (6 x^{2} + 2 x + 6) \frac{d}{d x} [x^{\frac{1}{2}}]}{x^{\frac{1}{2} \cdot 2}}$

Step 3.2.2

Rewrite the expression.

$\frac{x^{\frac{1}{2}} \frac{d}{d x} [6 x^{2} + 2 x + 6] - (6 x^{2} + 2 x + 6) \frac{d}{d x} [x^{\frac{1}{2}}]}{x^{1}}$

Step 4

Simplify.

$\frac{x^{\frac{1}{2}} \frac{d}{d x} [6 x^{2} + 2 x + 6] - (6 x^{2} + 2 x + 6) \frac{d}{d x} [x^{\frac{1}{2}}]}{x}$

Step 5

By the Sum Rule, the derivative of $6 x^{2} + 2 x + 6$ with respect to $x$ is $\frac{d}{d x} [6 x^{2}] + \frac{d}{d x} [2 x] + \frac{d}{d x} [6]$ .

$\frac{x^{\frac{1}{2}} (\frac{d}{d x} [6 x^{2}] + \frac{d}{d x} [2 x] + \frac{d}{d x} [6]) - (6 x^{2} + 2 x + 6) \frac{d}{d x} [x^{\frac{1}{2}}]}{x}$

Step 6

Since $6$ is constant with respect to $x$ , the derivative of $6 x^{2}$ with respect to $x$ is $6 \frac{d}{d x} [x^{2}]$ .

$\frac{x^{\frac{1}{2}} (6 \frac{d}{d x} [x^{2}] + \frac{d}{d x} [2 x] + \frac{d}{d x} [6]) - (6 x^{2} + 2 x + 6) \frac{d}{d x} [x^{\frac{1}{2}}]}{x}$

Step 7

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

$\frac{x^{\frac{1}{2}} (6 (2 x) + \frac{d}{d x} [2 x] + \frac{d}{d x} [6]) - (6 x^{2} + 2 x + 6) \frac{d}{d x} [x^{\frac{1}{2}}]}{x}$

Step 8

Multiply $2$ by $6$ .

$\frac{x^{\frac{1}{2}} (12 x + \frac{d}{d x} [2 x] + \frac{d}{d x} [6]) - (6 x^{2} + 2 x + 6) \frac{d}{d x} [x^{\frac{1}{2}}]}{x}$

Step 9

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

$\frac{x^{\frac{1}{2}} (12 x + 2 \frac{d}{d x} [x] + \frac{d}{d x} [6]) - (6 x^{2} + 2 x + 6) \frac{d}{d x} [x^{\frac{1}{2}}]}{x}$

Step 10

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

$\frac{x^{\frac{1}{2}} (12 x + 2 \cdot 1 + \frac{d}{d x} [6]) - (6 x^{2} + 2 x + 6) \frac{d}{d x} [x^{\frac{1}{2}}]}{x}$

Step 11

Multiply $2$ by $1$ .

$\frac{x^{\frac{1}{2}} (12 x + 2 + \frac{d}{d x} [6]) - (6 x^{2} + 2 x + 6) \frac{d}{d x} [x^{\frac{1}{2}}]}{x}$

Step 12

Since $6$ is constant with respect to $x$ , the derivative of $6$ with respect to $x$ is $0$ .

$\frac{x^{\frac{1}{2}} (12 x + 2 + 0) - (6 x^{2} + 2 x + 6) \frac{d}{d x} [x^{\frac{1}{2}}]}{x}$

Step 13

Add $12 x + 2$ and $0$ .

$\frac{x^{\frac{1}{2}} (12 x + 2) - (6 x^{2} + 2 x + 6) \frac{d}{d x} [x^{\frac{1}{2}}]}{x}$

Step 14

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

$\frac{x^{\frac{1}{2}} (12 x + 2) - (6 x^{2} + 2 x + 6) (\frac{1}{2} x^{\frac{1}{2} - 1})}{x}$

Step 15

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

$\frac{x^{\frac{1}{2}} (12 x + 2) - (6 x^{2} + 2 x + 6) (\frac{1}{2} x^{\frac{1}{2} - 1 \cdot \frac{2}{2}})}{x}$

Step 16

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

$\frac{x^{\frac{1}{2}} (12 x + 2) - (6 x^{2} + 2 x + 6) (\frac{1}{2} x^{\frac{1}{2} + \frac{- 1 \cdot 2}{2}})}{x}$

Step 17

Combine the numerators over the common denominator.

$\frac{x^{\frac{1}{2}} (12 x + 2) - (6 x^{2} + 2 x + 6) (\frac{1}{2} x^{\frac{1 - 1 \cdot 2}{2}})}{x}$

Step 18

Simplify the numerator.

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Step 18.1

Multiply $- 1$ by $2$ .

$\frac{x^{\frac{1}{2}} (12 x + 2) - (6 x^{2} + 2 x + 6) (\frac{1}{2} x^{\frac{1 - 2}{2}})}{x}$

Step 18.2

Subtract $2$ from $1$ .

$\frac{x^{\frac{1}{2}} (12 x + 2) - (6 x^{2} + 2 x + 6) (\frac{1}{2} x^{\frac{- 1}{2}})}{x}$

Step 19

Move the negative in front of the fraction.

$\frac{x^{\frac{1}{2}} (12 x + 2) - (6 x^{2} + 2 x + 6) (\frac{1}{2} x^{- \frac{1}{2}})}{x}$

Step 20

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

$\frac{x^{\frac{1}{2}} (12 x + 2) - (6 x^{2} + 2 x + 6) \frac{x^{- \frac{1}{2}}}{2}}{x}$

Step 21

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

$\frac{x^{\frac{1}{2}} (12 x + 2) - (6 x^{2} + 2 x + 6) \frac{1}{2 x^{\frac{1}{2}}}}{x}$

Step 22

Simplify.

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Step 22.1

Apply the distributive property.

$\frac{x^{\frac{1}{2}} (12 x) + x^{\frac{1}{2}} \cdot 2 - (6 x^{2} + 2 x + 6) \frac{1}{2 x^{\frac{1}{2}}}}{x}$

Step 22.2

Apply the distributive property.

$\frac{x^{\frac{1}{2}} (12 x) + x^{\frac{1}{2}} \cdot 2 + (- (6 x^{2}) - (2 x) - 1 \cdot 6) \frac{1}{2 x^{\frac{1}{2}}}}{x}$

Step 22.3

Apply the distributive property.

$\frac{x^{\frac{1}{2}} (12 x) + x^{\frac{1}{2}} \cdot 2 - (6 x^{2}) \frac{1}{2 x^{\frac{1}{2}}} - (2 x) \frac{1}{2 x^{\frac{1}{2}}} - 1 \cdot 6 \frac{1}{2 x^{\frac{1}{2}}}}{x}$

Step 22.4

Simplify the numerator.

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Step 22.4.1

Simplify each term.

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Step 22.4.1.1

Rewrite using the commutative property of multiplication.

$\frac{12 x^{\frac{1}{2}} x + x^{\frac{1}{2}} \cdot 2 - (6 x^{2}) \frac{1}{2 x^{\frac{1}{2}}} - (2 x) \frac{1}{2 x^{\frac{1}{2}}} - 1 \cdot 6 \frac{1}{2 x^{\frac{1}{2}}}}{x}$

Step 22.4.1.2

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

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Step 22.4.1.2.1

Move $x$ .

$\frac{12 (x \cdot x^{\frac{1}{2}}) + x^{\frac{1}{2}} \cdot 2 - (6 x^{2}) \frac{1}{2 x^{\frac{1}{2}}} - (2 x) \frac{1}{2 x^{\frac{1}{2}}} - 1 \cdot 6 \frac{1}{2 x^{\frac{1}{2}}}}{x}$

Step 22.4.1.2.2

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

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Step 22.4.1.2.2.1

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

$\frac{12 (x^{1} x^{\frac{1}{2}}) + x^{\frac{1}{2}} \cdot 2 - (6 x^{2}) \frac{1}{2 x^{\frac{1}{2}}} - (2 x) \frac{1}{2 x^{\frac{1}{2}}} - 1 \cdot 6 \frac{1}{2 x^{\frac{1}{2}}}}{x}$

Step 22.4.1.2.2.2

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

$\frac{12 x^{1 + \frac{1}{2}} + x^{\frac{1}{2}} \cdot 2 - (6 x^{2}) \frac{1}{2 x^{\frac{1}{2}}} - (2 x) \frac{1}{2 x^{\frac{1}{2}}} - 1 \cdot 6 \frac{1}{2 x^{\frac{1}{2}}}}{x}$

Step 22.4.1.2.3

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

$\frac{12 x^{\frac{2}{2} + \frac{1}{2}} + x^{\frac{1}{2}} \cdot 2 - (6 x^{2}) \frac{1}{2 x^{\frac{1}{2}}} - (2 x) \frac{1}{2 x^{\frac{1}{2}}} - 1 \cdot 6 \frac{1}{2 x^{\frac{1}{2}}}}{x}$

Step 22.4.1.2.4

Combine the numerators over the common denominator.

$\frac{12 x^{\frac{2 + 1}{2}} + x^{\frac{1}{2}} \cdot 2 - (6 x^{2}) \frac{1}{2 x^{\frac{1}{2}}} - (2 x) \frac{1}{2 x^{\frac{1}{2}}} - 1 \cdot 6 \frac{1}{2 x^{\frac{1}{2}}}}{x}$

Step 22.4.1.2.5

Add $2$ and $1$ .

$\frac{12 x^{\frac{3}{2}} + x^{\frac{1}{2}} \cdot 2 - (6 x^{2}) \frac{1}{2 x^{\frac{1}{2}}} - (2 x) \frac{1}{2 x^{\frac{1}{2}}} - 1 \cdot 6 \frac{1}{2 x^{\frac{1}{2}}}}{x}$

Step 22.4.1.3

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

$\frac{12 x^{\frac{3}{2}} + 2 \cdot x^{\frac{1}{2}} - (6 x^{2}) \frac{1}{2 x^{\frac{1}{2}}} - (2 x) \frac{1}{2 x^{\frac{1}{2}}} - 1 \cdot 6 \frac{1}{2 x^{\frac{1}{2}}}}{x}$

Step 22.4.1.4

Cancel the common factor of $x^{\frac{1}{2}}$ .

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Step 22.4.1.4.1

Factor $x^{\frac{1}{2}}$ out of $- (6 x^{2})$ .

$\frac{12 x^{\frac{3}{2}} + 2 x^{\frac{1}{2}} + x^{\frac{1}{2}} (- (6 x^{\frac{3}{2}})) \frac{1}{2 x^{\frac{1}{2}}} - (2 x) \frac{1}{2 x^{\frac{1}{2}}} - 1 \cdot 6 \frac{1}{2 x^{\frac{1}{2}}}}{x}$

Step 22.4.1.4.2

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

$\frac{12 x^{\frac{3}{2}} + 2 x^{\frac{1}{2}} + x^{\frac{1}{2}} (- (6 x^{\frac{3}{2}})) \frac{1}{x^{\frac{1}{2}} \cdot 2} - (2 x) \frac{1}{2 x^{\frac{1}{2}}} - 1 \cdot 6 \frac{1}{2 x^{\frac{1}{2}}}}{x}$

Step 22.4.1.4.3

Cancel the common factor.

Step 22.4.1.4.4

Rewrite the expression.

$\frac{12 x^{\frac{3}{2}} + 2 x^{\frac{1}{2}} - (6 x^{\frac{3}{2}}) \frac{1}{2} - (2 x) \frac{1}{2 x^{\frac{1}{2}}} - 1 \cdot 6 \frac{1}{2 x^{\frac{1}{2}}}}{x}$

Step 22.4.1.5

Multiply $6$ by $- 1$ .

$\frac{12 x^{\frac{3}{2}} + 2 x^{\frac{1}{2}} - 6 x^{\frac{3}{2}} \frac{1}{2} - (2 x) \frac{1}{2 x^{\frac{1}{2}}} - 1 \cdot 6 \frac{1}{2 x^{\frac{1}{2}}}}{x}$

Step 22.4.1.6

Combine $- 6$ and $\frac{1}{2}$ .

$\frac{12 x^{\frac{3}{2}} + 2 x^{\frac{1}{2}} + x^{\frac{3}{2}} \frac{- 6}{2} - (2 x) \frac{1}{2 x^{\frac{1}{2}}} - 1 \cdot 6 \frac{1}{2 x^{\frac{1}{2}}}}{x}$

Step 22.4.1.7

Combine $x^{\frac{3}{2}}$ and $\frac{- 6}{2}$ .

$\frac{12 x^{\frac{3}{2}} + 2 x^{\frac{1}{2}} + \frac{x^{\frac{3}{2}} \cdot - 6}{2} - (2 x) \frac{1}{2 x^{\frac{1}{2}}} - 1 \cdot 6 \frac{1}{2 x^{\frac{1}{2}}}}{x}$

Step 22.4.1.8

Factor $2$ out of $x^{\frac{3}{2}} \cdot - 6$ .

$\frac{12 x^{\frac{3}{2}} + 2 x^{\frac{1}{2}} + \frac{2 (x^{\frac{3}{2}} \cdot - 3)}{2} - (2 x) \frac{1}{2 x^{\frac{1}{2}}} - 1 \cdot 6 \frac{1}{2 x^{\frac{1}{2}}}}{x}$

Step 22.4.1.9

Cancel the common factors.

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Step 22.4.1.9.1

Factor $2$ out of $2$ .

$\frac{12 x^{\frac{3}{2}} + 2 x^{\frac{1}{2}} + \frac{2 (x^{\frac{3}{2}} \cdot - 3)}{2 (1)} - (2 x) \frac{1}{2 x^{\frac{1}{2}}} - 1 \cdot 6 \frac{1}{2 x^{\frac{1}{2}}}}{x}$

Step 22.4.1.9.2

Cancel the common factor.

$\frac{12 x^{\frac{3}{2}} + 2 x^{\frac{1}{2}} + \frac{2 (x^{\frac{3}{2}} \cdot - 3)}{2 \cdot 1} - (2 x) \frac{1}{2 x^{\frac{1}{2}}} - 1 \cdot 6 \frac{1}{2 x^{\frac{1}{2}}}}{x}$

Step 22.4.1.9.3

Rewrite the expression.

$\frac{12 x^{\frac{3}{2}} + 2 x^{\frac{1}{2}} + \frac{x^{\frac{3}{2}} \cdot - 3}{1} - (2 x) \frac{1}{2 x^{\frac{1}{2}}} - 1 \cdot 6 \frac{1}{2 x^{\frac{1}{2}}}}{x}$

Step 22.4.1.9.4

Divide $x^{\frac{3}{2}} \cdot - 3$ by $1$ .

$\frac{12 x^{\frac{3}{2}} + 2 x^{\frac{1}{2}} + x^{\frac{3}{2}} \cdot - 3 - (2 x) \frac{1}{2 x^{\frac{1}{2}}} - 1 \cdot 6 \frac{1}{2 x^{\frac{1}{2}}}}{x}$

Step 22.4.1.10

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

$\frac{12 x^{\frac{3}{2}} + 2 x^{\frac{1}{2}} - 3 \cdot x^{\frac{3}{2}} - (2 x) \frac{1}{2 x^{\frac{1}{2}}} - 1 \cdot 6 \frac{1}{2 x^{\frac{1}{2}}}}{x}$

Step 22.4.1.11

Cancel the common factor of $2$ .

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Step 22.4.1.11.1

Factor $2$ out of $- (2 x)$ .

$\frac{12 x^{\frac{3}{2}} + 2 x^{\frac{1}{2}} - 3 x^{\frac{3}{2}} + 2 (- (x)) \frac{1}{2 x^{\frac{1}{2}}} - 1 \cdot 6 \frac{1}{2 x^{\frac{1}{2}}}}{x}$

Step 22.4.1.11.2

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

$\frac{12 x^{\frac{3}{2}} + 2 x^{\frac{1}{2}} - 3 x^{\frac{3}{2}} + 2 (- (x)) \frac{1}{2 (x^{\frac{1}{2}})} - 1 \cdot 6 \frac{1}{2 x^{\frac{1}{2}}}}{x}$

Step 22.4.1.11.3

Cancel the common factor.

$\frac{12 x^{\frac{3}{2}} + 2 x^{\frac{1}{2}} - 3 x^{\frac{3}{2}} + 2 (- (x)) \frac{1}{2 x^{\frac{1}{2}}} - 1 \cdot 6 \frac{1}{2 x^{\frac{1}{2}}}}{x}$

Step 22.4.1.11.4

Rewrite the expression.

$\frac{12 x^{\frac{3}{2}} + 2 x^{\frac{1}{2}} - 3 x^{\frac{3}{2}} - (x) \frac{1}{x^{\frac{1}{2}}} - 1 \cdot 6 \frac{1}{2 x^{\frac{1}{2}}}}{x}$

Step 22.4.1.12

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

$\frac{12 x^{\frac{3}{2}} + 2 x^{\frac{1}{2}} - 3 x^{\frac{3}{2}} - \frac{x}{x^{\frac{1}{2}}} - 1 \cdot 6 \frac{1}{2 x^{\frac{1}{2}}}}{x}$

Step 22.4.1.13

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

$\frac{12 x^{\frac{3}{2}} + 2 x^{\frac{1}{2}} - 3 x^{\frac{3}{2}} - (x \cdot x^{- \frac{1}{2}}) - 1 \cdot 6 \frac{1}{2 x^{\frac{1}{2}}}}{x}$

Step 22.4.1.14

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

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Step 22.4.1.14.1

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

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Step 22.4.1.14.1.1

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

$\frac{12 x^{\frac{3}{2}} + 2 x^{\frac{1}{2}} - 3 x^{\frac{3}{2}} - (x^{1} x^{- \frac{1}{2}}) - 1 \cdot 6 \frac{1}{2 x^{\frac{1}{2}}}}{x}$

Step 22.4.1.14.1.2

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

$\frac{12 x^{\frac{3}{2}} + 2 x^{\frac{1}{2}} - 3 x^{\frac{3}{2}} - x^{1 - \frac{1}{2}} - 1 \cdot 6 \frac{1}{2 x^{\frac{1}{2}}}}{x}$

Step 22.4.1.14.2

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

$\frac{12 x^{\frac{3}{2}} + 2 x^{\frac{1}{2}} - 3 x^{\frac{3}{2}} - x^{\frac{2}{2} - \frac{1}{2}} - 1 \cdot 6 \frac{1}{2 x^{\frac{1}{2}}}}{x}$

Step 22.4.1.14.3

Combine the numerators over the common denominator.

$\frac{12 x^{\frac{3}{2}} + 2 x^{\frac{1}{2}} - 3 x^{\frac{3}{2}} - x^{\frac{2 - 1}{2}} - 1 \cdot 6 \frac{1}{2 x^{\frac{1}{2}}}}{x}$

Step 22.4.1.14.4

Subtract $1$ from $2$ .

$\frac{12 x^{\frac{3}{2}} + 2 x^{\frac{1}{2}} - 3 x^{\frac{3}{2}} - x^{\frac{1}{2}} - 1 \cdot 6 \frac{1}{2 x^{\frac{1}{2}}}}{x}$

Step 22.4.1.15

Multiply $- 1$ by $6$ .

$\frac{12 x^{\frac{3}{2}} + 2 x^{\frac{1}{2}} - 3 x^{\frac{3}{2}} - x^{\frac{1}{2}} - 6 \frac{1}{2 x^{\frac{1}{2}}}}{x}$

Step 22.4.1.16

Cancel the common factor of $2$ .

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Step 22.4.1.16.1

Factor $2$ out of $- 6$ .

$\frac{12 x^{\frac{3}{2}} + 2 x^{\frac{1}{2}} - 3 x^{\frac{3}{2}} - x^{\frac{1}{2}} + 2 \cdot - 3 \frac{1}{2 x^{\frac{1}{2}}}}{x}$

Step 22.4.1.16.2

Cancel the common factor.

$\frac{12 x^{\frac{3}{2}} + 2 x^{\frac{1}{2}} - 3 x^{\frac{3}{2}} - x^{\frac{1}{2}} + 2 \cdot - 3 \frac{1}{2 x^{\frac{1}{2}}}}{x}$

Step 22.4.1.16.3

Rewrite the expression.

$\frac{12 x^{\frac{3}{2}} + 2 x^{\frac{1}{2}} - 3 x^{\frac{3}{2}} - x^{\frac{1}{2}} - 3 \frac{1}{x^{\frac{1}{2}}}}{x}$

Step 22.4.1.17

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

$\frac{12 x^{\frac{3}{2}} + 2 x^{\frac{1}{2}} - 3 x^{\frac{3}{2}} - x^{\frac{1}{2}} + \frac{- 3}{x^{\frac{1}{2}}}}{x}$

Step 22.4.1.18

Move the negative in front of the fraction.

$\frac{12 x^{\frac{3}{2}} + 2 x^{\frac{1}{2}} - 3 x^{\frac{3}{2}} - x^{\frac{1}{2}} - \frac{3}{x^{\frac{1}{2}}}}{x}$

Step 22.4.2

Subtract $3 x^{\frac{3}{2}}$ from $12 x^{\frac{3}{2}}$ .

$\frac{9 x^{\frac{3}{2}} + 2 x^{\frac{1}{2}} - x^{\frac{1}{2}} - \frac{3}{x^{\frac{1}{2}}}}{x}$

Step 22.4.3

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

$\frac{9 x^{\frac{3}{2}} + x^{\frac{1}{2}} - \frac{3}{x^{\frac{1}{2}}}}{x}$

Step 22.5

Simplify the numerator.

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Step 22.5.1

To write $9 x^{\frac{3}{2}}$ as a fraction with a common denominator, multiply by $\frac{x^{\frac{1}{2}}}{x^{\frac{1}{2}}}$ .

$\frac{x^{\frac{1}{2}} + \frac{9 x^{\frac{3}{2}} x^{\frac{1}{2}}}{x^{\frac{1}{2}}} - \frac{3}{x^{\frac{1}{2}}}}{x}$

Step 22.5.2

Combine the numerators over the common denominator.

$\frac{x^{\frac{1}{2}} + \frac{9 x^{\frac{3}{2}} x^{\frac{1}{2}} - 3}{x^{\frac{1}{2}}}}{x}$

Step 22.5.3

Simplify the numerator.

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Step 22.5.3.1

Factor $3$ out of $9 x^{\frac{3}{2}} x^{\frac{1}{2}} - 3$ .

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Step 22.5.3.1.1

Factor $3$ out of $9 x^{\frac{3}{2}} x^{\frac{1}{2}}$ .

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

Step 22.5.3.1.2

Factor $3$ out of $- 3$ .

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

Step 22.5.3.1.3

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

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

Step 22.5.3.2

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

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Step 22.5.3.2.1

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

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

Step 22.5.3.2.2

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

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

Step 22.5.3.2.3

Combine the numerators over the common denominator.

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

Step 22.5.3.2.4

Add $1$ and $3$ .

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

Step 22.5.3.2.5

Divide $4$ by $2$ .

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

Step 22.5.4

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

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

Step 22.5.5

Combine the numerators over the common denominator.

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

Step 22.5.6

Simplify the numerator.

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Step 22.5.6.1

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

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Step 22.5.6.1.1

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

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

Step 22.5.6.1.2

Combine the numerators over the common denominator.

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

Step 22.5.6.1.3

Add $1$ and $1$ .

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

Step 22.5.6.1.4

Divide $2$ by $2$ .

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

Step 22.5.6.2

Simplify $x^{1}$ .

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

Step 22.5.6.3

Apply the distributive property.

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

Step 22.5.6.4

Multiply $3$ by $3$ .

$\frac{\frac{x + 9 x^{2} + 3 \cdot - 1}{x^{\frac{1}{2}}}}{x}$

Step 22.5.6.5

Multiply $3$ by $- 1$ .

$\frac{\frac{x + 9 x^{2} - 3}{x^{\frac{1}{2}}}}{x}$

Step 22.5.6.6

Reorder terms.

$\frac{\frac{9 x^{2} + x - 3}{x^{\frac{1}{2}}}}{x}$

Step 22.6

Multiply the numerator by the reciprocal of the denominator.

$\frac{9 x^{2} + x - 3}{x^{\frac{1}{2}}} \cdot \frac{1}{x}$

Step 22.7

Multiply $\frac{9 x^{2} + x - 3}{x^{\frac{1}{2}}} \cdot \frac{1}{x}$ .

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Step 22.7.1

Multiply $\frac{9 x^{2} + x - 3}{x^{\frac{1}{2}}}$ by $\frac{1}{x}$ .

$\frac{9 x^{2} + x - 3}{x^{\frac{1}{2}} x}$

Step 22.7.2

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

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Step 22.7.2.1

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

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Step 22.7.2.1.1

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

$\frac{9 x^{2} + x - 3}{x^{\frac{1}{2}} x^{1}}$

Step 22.7.2.1.2

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

$\frac{9 x^{2} + x - 3}{x^{\frac{1}{2} + 1}}$

Step 22.7.2.2

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

$\frac{9 x^{2} + x - 3}{x^{\frac{1}{2} + \frac{2}{2}}}$

Step 22.7.2.3

Combine the numerators over the common denominator.

$\frac{9 x^{2} + x - 3}{x^{\frac{1 + 2}{2}}}$

Step 22.7.2.4

Add $1$ and $2$ .

$\frac{9 x^{2} + x - 3}{x^{\frac{3}{2}}}$