Finite Math Examples

$\frac{7 \sqrt[3]{3}}{\sqrt[3]{9}}$

Step 1

Combine $\sqrt[3]{3}$ and $\sqrt[3]{9}$ into a single radical.

$7 \sqrt[3]{\frac{3}{9}}$

Step 2

Cancel the common factor of $3$ and $9$ .

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Step 2.1

Factor $3$ out of $3$ .

$7 \sqrt[3]{\frac{3 (1)}{9}}$

Step 2.2

Cancel the common factors.

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Step 2.2.1

Factor $3$ out of $9$ .

$7 \sqrt[3]{\frac{3 \cdot 1}{3 \cdot 3}}$

Step 2.2.2

Cancel the common factor.

$7 \sqrt[3]{\frac{3 \cdot 1}{3 \cdot 3}}$

Step 2.2.3

Rewrite the expression.

$7 \sqrt[3]{\frac{1}{3}}$

Step 3

Rewrite $\sqrt[3]{\frac{1}{3}}$ as $\frac{\sqrt[3]{1}}{\sqrt[3]{3}}$ .

$7 \frac{\sqrt[3]{1}}{\sqrt[3]{3}}$

Step 4

Any root of $1$ is $1$ .

$7 \frac{1}{\sqrt[3]{3}}$

Step 5

Multiply $\frac{1}{\sqrt[3]{3}}$ by $\frac{{\sqrt[3]{3}}^{2}}{{\sqrt[3]{3}}^{2}}$ .

$7 (\frac{1}{\sqrt[3]{3}} \cdot \frac{{\sqrt[3]{3}}^{2}}{{\sqrt[3]{3}}^{2}})$

Step 6

Combine and simplify the denominator.

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Step 6.1

Multiply $\frac{1}{\sqrt[3]{3}}$ by $\frac{{\sqrt[3]{3}}^{2}}{{\sqrt[3]{3}}^{2}}$ .

$7 \frac{{\sqrt[3]{3}}^{2}}{\sqrt[3]{3} {\sqrt[3]{3}}^{2}}$

Step 6.2

Raise $\sqrt[3]{3}$ to the power of $1$ .

$7 \frac{{\sqrt[3]{3}}^{2}}{{\sqrt[3]{3}}^{1} {\sqrt[3]{3}}^{2}}$

Step 6.3

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

$7 \frac{{\sqrt[3]{3}}^{2}}{{\sqrt[3]{3}}^{1 + 2}}$

Step 6.4

Add $1$ and $2$ .

$7 \frac{{\sqrt[3]{3}}^{2}}{{\sqrt[3]{3}}^{3}}$

Step 6.5

Rewrite ${\sqrt[3]{3}}^{3}$ as $3$ .

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Step 6.5.1

Use $\sqrt[n]{a^{x}} = a^{\frac{x}{n}}$ to rewrite $\sqrt[3]{3}$ as $3^{\frac{1}{3}}$ .

$7 \frac{{\sqrt[3]{3}}^{2}}{{(3^{\frac{1}{3}})}^{3}}$

Step 6.5.2

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

$7 \frac{{\sqrt[3]{3}}^{2}}{3^{\frac{1}{3} \cdot 3}}$

Step 6.5.3

Combine $\frac{1}{3}$ and $3$ .

$7 \frac{{\sqrt[3]{3}}^{2}}{3^{\frac{3}{3}}}$

Step 6.5.4

Cancel the common factor of $3$ .

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Step 6.5.4.1

Cancel the common factor.

$7 \frac{{\sqrt[3]{3}}^{2}}{3^{\frac{3}{3}}}$

Step 6.5.4.2

Rewrite the expression.

$7 \frac{{\sqrt[3]{3}}^{2}}{3^{1}}$

Step 6.5.5

Evaluate the exponent.

$7 \frac{{\sqrt[3]{3}}^{2}}{3}$

Step 7

Simplify the numerator.

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Step 7.1

Rewrite ${\sqrt[3]{3}}^{2}$ as $\sqrt[3]{3^{2}}$ .

$7 \frac{\sqrt[3]{3^{2}}}{3}$

Step 7.2

Raise $3$ to the power of $2$ .

$7 \frac{\sqrt[3]{9}}{3}$

Step 8

Combine $7$ and $\frac{\sqrt[3]{9}}{3}$ .

$\frac{7 \sqrt[3]{9}}{3}$

Step 9

The result can be shown in multiple forms.

Exact Form:

$\frac{7 \sqrt[3]{9}}{3}$

Decimal Form:

$4.85352892 \dots$