Algebra Examples

$\sqrt[3]{\frac{6}{7}} = \frac{\sqrt[3]{6}}{\sqrt[3]{7}}$

Step 1

Subtract $\frac{\sqrt[3]{6}}{\sqrt[3]{7}}$ from both sides of the equation.

$\sqrt[3]{\frac{6}{7}} - \frac{\sqrt[3]{6}}{\sqrt[3]{7}} = 0$

Step 2

Simplify $\sqrt[3]{\frac{6}{7}} - \frac{\sqrt[3]{6}}{\sqrt[3]{7}}$ .

Tap for more steps...

Step 2.1

Simplify each term.

Tap for more steps...

Step 2.1.1

Rewrite $\sqrt[3]{\frac{6}{7}}$ as $\frac{\sqrt[3]{6}}{\sqrt[3]{7}}$ .

$\frac{\sqrt[3]{6}}{\sqrt[3]{7}} - \frac{\sqrt[3]{6}}{\sqrt[3]{7}} = 0$

Step 2.1.2

Multiply $\frac{\sqrt[3]{6}}{\sqrt[3]{7}}$ by $\frac{{\sqrt[3]{7}}^{2}}{{\sqrt[3]{7}}^{2}}$ .

$\frac{\sqrt[3]{6}}{\sqrt[3]{7}} \cdot \frac{{\sqrt[3]{7}}^{2}}{{\sqrt[3]{7}}^{2}} - \frac{\sqrt[3]{6}}{\sqrt[3]{7}} = 0$

Step 2.1.3

Combine and simplify the denominator.

Tap for more steps...

Step 2.1.3.1

Multiply $\frac{\sqrt[3]{6}}{\sqrt[3]{7}}$ by $\frac{{\sqrt[3]{7}}^{2}}{{\sqrt[3]{7}}^{2}}$ .

$\frac{\sqrt[3]{6} {\sqrt[3]{7}}^{2}}{\sqrt[3]{7} {\sqrt[3]{7}}^{2}} - \frac{\sqrt[3]{6}}{\sqrt[3]{7}} = 0$

Step 2.1.3.2

Raise $\sqrt[3]{7}$ to the power of $1$ .

$\frac{\sqrt[3]{6} {\sqrt[3]{7}}^{2}}{{\sqrt[3]{7}}^{1} {\sqrt[3]{7}}^{2}} - \frac{\sqrt[3]{6}}{\sqrt[3]{7}} = 0$

Step 2.1.3.3

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

$\frac{\sqrt[3]{6} {\sqrt[3]{7}}^{2}}{{\sqrt[3]{7}}^{1 + 2}} - \frac{\sqrt[3]{6}}{\sqrt[3]{7}} = 0$

Step 2.1.3.4

Add $1$ and $2$ .

$\frac{\sqrt[3]{6} {\sqrt[3]{7}}^{2}}{{\sqrt[3]{7}}^{3}} - \frac{\sqrt[3]{6}}{\sqrt[3]{7}} = 0$

Step 2.1.3.5

Rewrite ${\sqrt[3]{7}}^{3}$ as $7$ .

Tap for more steps...

Step 2.1.3.5.1

Use $\sqrt[n]{a^{x}} = a^{\frac{x}{n}}$ to rewrite $\sqrt[3]{7}$ as $7^{\frac{1}{3}}$ .

$\frac{\sqrt[3]{6} {\sqrt[3]{7}}^{2}}{{(7^{\frac{1}{3}})}^{3}} - \frac{\sqrt[3]{6}}{\sqrt[3]{7}} = 0$

Step 2.1.3.5.2

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

$\frac{\sqrt[3]{6} {\sqrt[3]{7}}^{2}}{7^{\frac{1}{3} \cdot 3}} - \frac{\sqrt[3]{6}}{\sqrt[3]{7}} = 0$

Step 2.1.3.5.3

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

$\frac{\sqrt[3]{6} {\sqrt[3]{7}}^{2}}{7^{\frac{3}{3}}} - \frac{\sqrt[3]{6}}{\sqrt[3]{7}} = 0$

Step 2.1.3.5.4

Cancel the common factor of $3$ .

Tap for more steps...

Step 2.1.3.5.4.1

Cancel the common factor.

$\frac{\sqrt[3]{6} {\sqrt[3]{7}}^{2}}{7^{\frac{3}{3}}} - \frac{\sqrt[3]{6}}{\sqrt[3]{7}} = 0$

Step 2.1.3.5.4.2

Rewrite the expression.

$\frac{\sqrt[3]{6} {\sqrt[3]{7}}^{2}}{7^{1}} - \frac{\sqrt[3]{6}}{\sqrt[3]{7}} = 0$

Step 2.1.3.5.5

Evaluate the exponent.

$\frac{\sqrt[3]{6} {\sqrt[3]{7}}^{2}}{7} - \frac{\sqrt[3]{6}}{\sqrt[3]{7}} = 0$

Step 2.1.4

Simplify the numerator.

Tap for more steps...

Step 2.1.4.1

Rewrite ${\sqrt[3]{7}}^{2}$ as $\sqrt[3]{7^{2}}$ .

$\frac{\sqrt[3]{6} \sqrt[3]{7^{2}}}{7} - \frac{\sqrt[3]{6}}{\sqrt[3]{7}} = 0$

Step 2.1.4.2

Raise $7$ to the power of $2$ .

$\frac{\sqrt[3]{6} \sqrt[3]{49}}{7} - \frac{\sqrt[3]{6}}{\sqrt[3]{7}} = 0$

Step 2.1.5

Simplify the numerator.

Tap for more steps...

Step 2.1.5.1

Combine using the product rule for radicals.

$\frac{\sqrt[3]{6 \cdot 49}}{7} - \frac{\sqrt[3]{6}}{\sqrt[3]{7}} = 0$

Step 2.1.5.2

Multiply $6$ by $49$ .

$\frac{\sqrt[3]{294}}{7} - \frac{\sqrt[3]{6}}{\sqrt[3]{7}} = 0$

Step 2.1.6

Multiply $\frac{\sqrt[3]{6}}{\sqrt[3]{7}}$ by $\frac{{\sqrt[3]{7}}^{2}}{{\sqrt[3]{7}}^{2}}$ .

$\frac{\sqrt[3]{294}}{7} - (\frac{\sqrt[3]{6}}{\sqrt[3]{7}} \cdot \frac{{\sqrt[3]{7}}^{2}}{{\sqrt[3]{7}}^{2}}) = 0$

Step 2.1.7

Combine and simplify the denominator.

Tap for more steps...

Step 2.1.7.1

Multiply $\frac{\sqrt[3]{6}}{\sqrt[3]{7}}$ by $\frac{{\sqrt[3]{7}}^{2}}{{\sqrt[3]{7}}^{2}}$ .

$\frac{\sqrt[3]{294}}{7} - \frac{\sqrt[3]{6} {\sqrt[3]{7}}^{2}}{\sqrt[3]{7} {\sqrt[3]{7}}^{2}} = 0$

Step 2.1.7.2

Raise $\sqrt[3]{7}$ to the power of $1$ .

$\frac{\sqrt[3]{294}}{7} - \frac{\sqrt[3]{6} {\sqrt[3]{7}}^{2}}{{\sqrt[3]{7}}^{1} {\sqrt[3]{7}}^{2}} = 0$

Step 2.1.7.3

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

$\frac{\sqrt[3]{294}}{7} - \frac{\sqrt[3]{6} {\sqrt[3]{7}}^{2}}{{\sqrt[3]{7}}^{1 + 2}} = 0$

Step 2.1.7.4

Add $1$ and $2$ .

$\frac{\sqrt[3]{294}}{7} - \frac{\sqrt[3]{6} {\sqrt[3]{7}}^{2}}{{\sqrt[3]{7}}^{3}} = 0$

Step 2.1.7.5

Rewrite ${\sqrt[3]{7}}^{3}$ as $7$ .

Tap for more steps...

Step 2.1.7.5.1

Use $\sqrt[n]{a^{x}} = a^{\frac{x}{n}}$ to rewrite $\sqrt[3]{7}$ as $7^{\frac{1}{3}}$ .

$\frac{\sqrt[3]{294}}{7} - \frac{\sqrt[3]{6} {\sqrt[3]{7}}^{2}}{{(7^{\frac{1}{3}})}^{3}} = 0$

Step 2.1.7.5.2

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

$\frac{\sqrt[3]{294}}{7} - \frac{\sqrt[3]{6} {\sqrt[3]{7}}^{2}}{7^{\frac{1}{3} \cdot 3}} = 0$

Step 2.1.7.5.3

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

$\frac{\sqrt[3]{294}}{7} - \frac{\sqrt[3]{6} {\sqrt[3]{7}}^{2}}{7^{\frac{3}{3}}} = 0$

Step 2.1.7.5.4

Cancel the common factor of $3$ .

Tap for more steps...

Step 2.1.7.5.4.1

Cancel the common factor.

$\frac{\sqrt[3]{294}}{7} - \frac{\sqrt[3]{6} {\sqrt[3]{7}}^{2}}{7^{\frac{3}{3}}} = 0$

Step 2.1.7.5.4.2

Rewrite the expression.

$\frac{\sqrt[3]{294}}{7} - \frac{\sqrt[3]{6} {\sqrt[3]{7}}^{2}}{7^{1}} = 0$

Step 2.1.7.5.5

Evaluate the exponent.

$\frac{\sqrt[3]{294}}{7} - \frac{\sqrt[3]{6} {\sqrt[3]{7}}^{2}}{7} = 0$

Step 2.1.8

Simplify the numerator.

Tap for more steps...

Step 2.1.8.1

Rewrite ${\sqrt[3]{7}}^{2}$ as $\sqrt[3]{7^{2}}$ .

$\frac{\sqrt[3]{294}}{7} - \frac{\sqrt[3]{6} \sqrt[3]{7^{2}}}{7} = 0$

Step 2.1.8.2

Raise $7$ to the power of $2$ .

$\frac{\sqrt[3]{294}}{7} - \frac{\sqrt[3]{6} \sqrt[3]{49}}{7} = 0$

Step 2.1.9

Simplify the numerator.

Tap for more steps...

Step 2.1.9.1

Combine using the product rule for radicals.

$\frac{\sqrt[3]{294}}{7} - \frac{\sqrt[3]{6 \cdot 49}}{7} = 0$

Step 2.1.9.2

Multiply $6$ by $49$ .

$\frac{\sqrt[3]{294}}{7} - \frac{\sqrt[3]{294}}{7} = 0$

Step 2.2

Combine the numerators over the common denominator.

$\frac{\sqrt[3]{294} - \sqrt[3]{294}}{7} = 0$

Step 2.3

Subtract $\sqrt[3]{294}$ from $\sqrt[3]{294}$ .

$\frac{0}{7} = 0$

Step 2.4

Divide $0$ by $7$ .

$0 = 0$

Step 3

Since $0 = 0$ , the equation will always be true.

Always true