Algebra Examples

$\frac{2 - \sqrt{12}}{\sqrt{3}}$

Step 1

Simplify the numerator.

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Step 1.1

Rewrite $12$ as $2^{2} \cdot 3$ .

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Step 1.1.1

Factor $4$ out of $12$ .

$\frac{2 - \sqrt{4 (3)}}{\sqrt{3}}$

Step 1.1.2

Rewrite $4$ as $2^{2}$ .

$\frac{2 - \sqrt{2^{2} \cdot 3}}{\sqrt{3}}$

Step 1.2

Pull terms out from under the radical.

$\frac{2 - (2 \sqrt{3})}{\sqrt{3}}$

Step 1.3

Multiply $2$ by $- 1$ .

$\frac{2 - 2 \sqrt{3}}{\sqrt{3}}$

Step 2

Multiply $\frac{2 - 2 \sqrt{3}}{\sqrt{3}}$ by $\frac{\sqrt{3}}{\sqrt{3}}$ .

$\frac{2 - 2 \sqrt{3}}{\sqrt{3}} \cdot \frac{\sqrt{3}}{\sqrt{3}}$

Step 3

Combine and simplify the denominator.

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Step 3.1

Multiply $\frac{2 - 2 \sqrt{3}}{\sqrt{3}}$ by $\frac{\sqrt{3}}{\sqrt{3}}$ .

$\frac{(2 - 2 \sqrt{3}) \sqrt{3}}{\sqrt{3} \sqrt{3}}$

Step 3.2

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

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

Step 3.3

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

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

Step 3.4

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

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

Step 3.5

Add $1$ and $1$ .

$\frac{(2 - 2 \sqrt{3}) \sqrt{3}}{{\sqrt{3}}^{2}}$

Step 3.6

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

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Step 3.6.1

Use $\sqrt[n]{a^{x}} = a^{\frac{x}{n}}$ to rewrite $\sqrt{3}$ as $3^{\frac{1}{2}}$ .

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

Step 3.6.2

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

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

Step 3.6.3

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

$\frac{(2 - 2 \sqrt{3}) \sqrt{3}}{3^{\frac{2}{2}}}$

Step 3.6.4

Cancel the common factor of $2$ .

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Step 3.6.4.1

Cancel the common factor.

$\frac{(2 - 2 \sqrt{3}) \sqrt{3}}{3^{\frac{2}{2}}}$

Step 3.6.4.2

Rewrite the expression.

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

Step 3.6.5

Evaluate the exponent.

$\frac{(2 - 2 \sqrt{3}) \sqrt{3}}{3}$

Step 4

Apply the distributive property.

$\frac{2 \sqrt{3} - 2 \sqrt{3} \sqrt{3}}{3}$

Step 5

Multiply $- 2 \sqrt{3} \sqrt{3}$ .

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Step 5.1

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

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

Step 5.2

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

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

Step 5.3

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

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

Step 5.4

Add $1$ and $1$ .

$\frac{2 \sqrt{3} - 2 {\sqrt{3}}^{2}}{3}$

Step 6

Simplify each term.

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Step 6.1

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

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Step 6.1.1

Use $\sqrt[n]{a^{x}} = a^{\frac{x}{n}}$ to rewrite $\sqrt{3}$ as $3^{\frac{1}{2}}$ .

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

Step 6.1.2

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

$\frac{2 \sqrt{3} - 2 \cdot 3^{\frac{1}{2} \cdot 2}}{3}$

Step 6.1.3

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

$\frac{2 \sqrt{3} - 2 \cdot 3^{\frac{2}{2}}}{3}$

Step 6.1.4

Cancel the common factor of $2$ .

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Step 6.1.4.1

Cancel the common factor.

$\frac{2 \sqrt{3} - 2 \cdot 3^{\frac{2}{2}}}{3}$

Step 6.1.4.2

Rewrite the expression.

$\frac{2 \sqrt{3} - 2 \cdot 3^{1}}{3}$

Step 6.1.5

Evaluate the exponent.

$\frac{2 \sqrt{3} - 2 \cdot 3}{3}$

Step 6.2

Multiply $- 2$ by $3$ .

$\frac{2 \sqrt{3} - 6}{3}$

Step 7

The result can be shown in multiple forms.

Exact Form:

$\frac{2 \sqrt{3} - 6}{3}$

Decimal Form:

$- 0.84529946 \dots$