Finite Math Examples

$\frac{9 \sqrt{2}}{\sqrt{18}}$

Step 1

Combine $\sqrt{2}$ and $\sqrt{18}$ into a single radical.

$9 \sqrt{\frac{2}{18}}$

Step 2

Cancel the common factor of $2$ and $18$ .

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Step 2.1

Factor $2$ out of $2$ .

$9 \sqrt{\frac{2 (1)}{18}}$

Step 2.2

Cancel the common factors.

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Step 2.2.1

Factor $2$ out of $18$ .

$9 \sqrt{\frac{2 \cdot 1}{2 \cdot 9}}$

Step 2.2.2

Cancel the common factor.

$9 \sqrt{\frac{2 \cdot 1}{2 \cdot 9}}$

Step 2.2.3

Rewrite the expression.

$9 \sqrt{\frac{1}{9}}$

Step 3

Rewrite $\sqrt{\frac{1}{9}}$ as $\frac{\sqrt{1}}{\sqrt{9}}$ .

$9 \frac{\sqrt{1}}{\sqrt{9}}$

Step 4

Any root of $1$ is $1$ .

$9 \frac{1}{\sqrt{9}}$

Step 5

Simplify the denominator.

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Step 5.1

Rewrite $9$ as $3^{2}$ .

$9 \frac{1}{\sqrt{3^{2}}}$

Step 5.2

Pull terms out from under the radical, assuming positive real numbers.

$9 (\frac{1}{3})$

Step 6

Cancel the common factor of $3$ .

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Step 6.1

Factor $3$ out of $9$ .

$3 (3) \frac{1}{3}$

Step 6.2

Cancel the common factor.

$3 \cdot 3 \frac{1}{3}$

Step 6.3

Rewrite the expression.

$3$