Pre-Algebra Examples

$x^{2} - (\sqrt{5} + \sqrt{3}) x + \sqrt{10} = 0$

Step 1

Simplify each term.

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Step 1.1

Apply the distributive property.

$x^{2} + (- \sqrt{5} - \sqrt{3}) x + \sqrt{10} = 0$

Step 1.2

Apply the distributive property.

$x^{2} - \sqrt{5} x - \sqrt{3} x + \sqrt{10} = 0$

Step 2

Use the quadratic formula to find the solutions.

$\frac{- b \pm \sqrt{b^{2} - 4 (a c)}}{2 a}$

Step 3

Substitute the values $a = 1$ , $b = - \sqrt{5} - \sqrt{3}$ , and $c = \sqrt{10}$ into the quadratic formula and solve for $x$ .

$\frac{- (- \sqrt{5} - \sqrt{3}) \pm \sqrt{{(- \sqrt{5} - \sqrt{3})}^{2} - 4 \cdot (1 \cdot \sqrt{10})}}{2 \cdot 1}$

Step 4

Simplify.

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Step 4.1

Simplify the numerator.

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Step 4.1.1

Apply the distributive property.

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{{(- \sqrt{5} - \sqrt{3})}^{2} - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 4.1.2

Multiply $- - \sqrt{5}$ .

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Step 4.1.2.1

Multiply $- 1$ by $- 1$ .

$x = \frac{1 \sqrt{5} + \sqrt{3} \pm \sqrt{{(- \sqrt{5} - \sqrt{3})}^{2} - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 4.1.2.2

Multiply $\sqrt{5}$ by $1$ .

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{{(- \sqrt{5} - \sqrt{3})}^{2} - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 4.1.3

Multiply $- - \sqrt{3}$ .

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Step 4.1.3.1

Multiply $- 1$ by $- 1$ .

$x = \frac{\sqrt{5} + 1 \sqrt{3} \pm \sqrt{{(- \sqrt{5} - \sqrt{3})}^{2} - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 4.1.3.2

Multiply $\sqrt{3}$ by $1$ .

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{{(- \sqrt{5} - \sqrt{3})}^{2} - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 4.1.4

Rewrite ${(- \sqrt{5} - \sqrt{3})}^{2}$ as $(- \sqrt{5} - \sqrt{3}) (- \sqrt{5} - \sqrt{3})$ .

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{(- \sqrt{5} - \sqrt{3}) (- \sqrt{5} - \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 4.1.5

Expand $(- \sqrt{5} - \sqrt{3}) (- \sqrt{5} - \sqrt{3})$ using the FOIL Method.

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Step 4.1.5.1

Apply the distributive property.

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{- \sqrt{5} (- \sqrt{5} - \sqrt{3}) - \sqrt{3} (- \sqrt{5} - \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 4.1.5.2

Apply the distributive property.

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{- \sqrt{5} (- \sqrt{5}) - \sqrt{5} (- \sqrt{3}) - \sqrt{3} (- \sqrt{5} - \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 4.1.5.3

Apply the distributive property.

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{- \sqrt{5} (- \sqrt{5}) - \sqrt{5} (- \sqrt{3}) - \sqrt{3} (- \sqrt{5}) - \sqrt{3} (- \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 4.1.6

Simplify and combine like terms.

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Step 4.1.6.1

Simplify each term.

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Step 4.1.6.1.1

Multiply $- \sqrt{5} (- \sqrt{5})$ .

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Step 4.1.6.1.1.1

Multiply $- 1$ by $- 1$ .

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{1 \sqrt{5} \sqrt{5} - \sqrt{5} (- \sqrt{3}) - \sqrt{3} (- \sqrt{5}) - \sqrt{3} (- \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 4.1.6.1.1.2

Multiply $\sqrt{5}$ by $1$ .

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{\sqrt{5} \sqrt{5} - \sqrt{5} (- \sqrt{3}) - \sqrt{3} (- \sqrt{5}) - \sqrt{3} (- \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 4.1.6.1.1.3

Raise $\sqrt{5}$ to the power of $1$ .

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{\sqrt{5} \sqrt{5} - \sqrt{5} (- \sqrt{3}) - \sqrt{3} (- \sqrt{5}) - \sqrt{3} (- \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 4.1.6.1.1.4

Raise $\sqrt{5}$ to the power of $1$ .

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{\sqrt{5} \sqrt{5} - \sqrt{5} (- \sqrt{3}) - \sqrt{3} (- \sqrt{5}) - \sqrt{3} (- \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 4.1.6.1.1.5

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

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{{\sqrt{5}}^{1 + 1} - \sqrt{5} (- \sqrt{3}) - \sqrt{3} (- \sqrt{5}) - \sqrt{3} (- \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 4.1.6.1.1.6

Add $1$ and $1$ .

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{{\sqrt{5}}^{2} - \sqrt{5} (- \sqrt{3}) - \sqrt{3} (- \sqrt{5}) - \sqrt{3} (- \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 4.1.6.1.2

Rewrite ${\sqrt{5}}^{2}$ as $5$ .

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Step 4.1.6.1.2.1

Use $\sqrt[n]{a^{x}} = a^{\frac{x}{n}}$ to rewrite $\sqrt{5}$ as $5^{\frac{1}{2}}$ .

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{{(5^{\frac{1}{2}})}^{2} - \sqrt{5} (- \sqrt{3}) - \sqrt{3} (- \sqrt{5}) - \sqrt{3} (- \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 4.1.6.1.2.2

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

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5^{\frac{1}{2} \cdot 2} - \sqrt{5} (- \sqrt{3}) - \sqrt{3} (- \sqrt{5}) - \sqrt{3} (- \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 4.1.6.1.2.3

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

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5^{\frac{2}{2}} - \sqrt{5} (- \sqrt{3}) - \sqrt{3} (- \sqrt{5}) - \sqrt{3} (- \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 4.1.6.1.2.4

Cancel the common factor of $2$ .

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Step 4.1.6.1.2.4.1

Cancel the common factor.

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5^{\frac{2}{2}} - \sqrt{5} (- \sqrt{3}) - \sqrt{3} (- \sqrt{5}) - \sqrt{3} (- \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 4.1.6.1.2.4.2

Rewrite the expression.

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5 - \sqrt{5} (- \sqrt{3}) - \sqrt{3} (- \sqrt{5}) - \sqrt{3} (- \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 4.1.6.1.2.5

Evaluate the exponent.

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5 - \sqrt{5} (- \sqrt{3}) - \sqrt{3} (- \sqrt{5}) - \sqrt{3} (- \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 4.1.6.1.3

Multiply $- \sqrt{5} (- \sqrt{3})$ .

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Step 4.1.6.1.3.1

Multiply $- 1$ by $- 1$ .

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5 + 1 \sqrt{5} \sqrt{3} - \sqrt{3} (- \sqrt{5}) - \sqrt{3} (- \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 4.1.6.1.3.2

Multiply $\sqrt{5}$ by $1$ .

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5 + \sqrt{5} \sqrt{3} - \sqrt{3} (- \sqrt{5}) - \sqrt{3} (- \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 4.1.6.1.3.3

Combine using the product rule for radicals.

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5 + \sqrt{5 \cdot 3} - \sqrt{3} (- \sqrt{5}) - \sqrt{3} (- \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 4.1.6.1.3.4

Multiply $5$ by $3$ .

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5 + \sqrt{15} - \sqrt{3} (- \sqrt{5}) - \sqrt{3} (- \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 4.1.6.1.4

Multiply $- \sqrt{3} (- \sqrt{5})$ .

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Step 4.1.6.1.4.1

Multiply $- 1$ by $- 1$ .

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5 + \sqrt{15} + 1 \sqrt{3} \sqrt{5} - \sqrt{3} (- \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 4.1.6.1.4.2

Multiply $\sqrt{3}$ by $1$ .

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5 + \sqrt{15} + \sqrt{3} \sqrt{5} - \sqrt{3} (- \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 4.1.6.1.4.3

Combine using the product rule for radicals.

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5 + \sqrt{15} + \sqrt{3 \cdot 5} - \sqrt{3} (- \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 4.1.6.1.4.4

Multiply $3$ by $5$ .

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5 + \sqrt{15} + \sqrt{15} - \sqrt{3} (- \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 4.1.6.1.5

Multiply $- \sqrt{3} (- \sqrt{3})$ .

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Step 4.1.6.1.5.1

Multiply $- 1$ by $- 1$ .

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5 + \sqrt{15} + \sqrt{15} + 1 \sqrt{3} \sqrt{3} - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 4.1.6.1.5.2

Multiply $\sqrt{3}$ by $1$ .

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5 + \sqrt{15} + \sqrt{15} + \sqrt{3} \sqrt{3} - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 4.1.6.1.5.3

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

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5 + \sqrt{15} + \sqrt{15} + \sqrt{3} \sqrt{3} - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 4.1.6.1.5.4

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

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5 + \sqrt{15} + \sqrt{15} + \sqrt{3} \sqrt{3} - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 4.1.6.1.5.5

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

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5 + \sqrt{15} + \sqrt{15} + {\sqrt{3}}^{1 + 1} - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 4.1.6.1.5.6

Add $1$ and $1$ .

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5 + \sqrt{15} + \sqrt{15} + {\sqrt{3}}^{2} - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 4.1.6.1.6

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

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Step 4.1.6.1.6.1

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

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5 + \sqrt{15} + \sqrt{15} + {(3^{\frac{1}{2}})}^{2} - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 4.1.6.1.6.2

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

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5 + \sqrt{15} + \sqrt{15} + 3^{\frac{1}{2} \cdot 2} - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 4.1.6.1.6.3

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

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5 + \sqrt{15} + \sqrt{15} + 3^{\frac{2}{2}} - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 4.1.6.1.6.4

Cancel the common factor of $2$ .

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Step 4.1.6.1.6.4.1

Cancel the common factor.

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5 + \sqrt{15} + \sqrt{15} + 3^{\frac{2}{2}} - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 4.1.6.1.6.4.2

Rewrite the expression.

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5 + \sqrt{15} + \sqrt{15} + 3 - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 4.1.6.1.6.5

Evaluate the exponent.

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5 + \sqrt{15} + \sqrt{15} + 3 - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 4.1.6.2

Add $5$ and $3$ .

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{8 + \sqrt{15} + \sqrt{15} - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 4.1.6.3

Add $\sqrt{15}$ and $\sqrt{15}$ .

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{8 + 2 \sqrt{15} - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 4.1.7

Multiply $- 4$ by $1$ .

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{8 + 2 \sqrt{15} - 4 \sqrt{10}}}{2 \cdot 1}$

Step 4.2

Multiply $2$ by $1$ .

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{8 + 2 \sqrt{15} - 4 \sqrt{10}}}{2}$

Step 5

Simplify the expression to solve for the $+$ portion of the $\pm$ .

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Step 5.1

Simplify the numerator.

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Step 5.1.1

Apply the distributive property.

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{{(- \sqrt{5} - \sqrt{3})}^{2} - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 5.1.2

Multiply $- - \sqrt{5}$ .

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Step 5.1.2.1

Multiply $- 1$ by $- 1$ .

$x = \frac{1 \sqrt{5} + \sqrt{3} \pm \sqrt{{(- \sqrt{5} - \sqrt{3})}^{2} - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 5.1.2.2

Multiply $\sqrt{5}$ by $1$ .

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{{(- \sqrt{5} - \sqrt{3})}^{2} - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 5.1.3

Multiply $- - \sqrt{3}$ .

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Step 5.1.3.1

Multiply $- 1$ by $- 1$ .

$x = \frac{\sqrt{5} + 1 \sqrt{3} \pm \sqrt{{(- \sqrt{5} - \sqrt{3})}^{2} - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 5.1.3.2

Multiply $\sqrt{3}$ by $1$ .

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{{(- \sqrt{5} - \sqrt{3})}^{2} - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 5.1.4

Rewrite ${(- \sqrt{5} - \sqrt{3})}^{2}$ as $(- \sqrt{5} - \sqrt{3}) (- \sqrt{5} - \sqrt{3})$ .

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{(- \sqrt{5} - \sqrt{3}) (- \sqrt{5} - \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 5.1.5

Expand $(- \sqrt{5} - \sqrt{3}) (- \sqrt{5} - \sqrt{3})$ using the FOIL Method.

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Step 5.1.5.1

Apply the distributive property.

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{- \sqrt{5} (- \sqrt{5} - \sqrt{3}) - \sqrt{3} (- \sqrt{5} - \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 5.1.5.2

Apply the distributive property.

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{- \sqrt{5} (- \sqrt{5}) - \sqrt{5} (- \sqrt{3}) - \sqrt{3} (- \sqrt{5} - \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 5.1.5.3

Apply the distributive property.

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{- \sqrt{5} (- \sqrt{5}) - \sqrt{5} (- \sqrt{3}) - \sqrt{3} (- \sqrt{5}) - \sqrt{3} (- \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 5.1.6

Simplify and combine like terms.

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Step 5.1.6.1

Simplify each term.

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Step 5.1.6.1.1

Multiply $- \sqrt{5} (- \sqrt{5})$ .

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Step 5.1.6.1.1.1

Multiply $- 1$ by $- 1$ .

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{1 \sqrt{5} \sqrt{5} - \sqrt{5} (- \sqrt{3}) - \sqrt{3} (- \sqrt{5}) - \sqrt{3} (- \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 5.1.6.1.1.2

Multiply $\sqrt{5}$ by $1$ .

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{\sqrt{5} \sqrt{5} - \sqrt{5} (- \sqrt{3}) - \sqrt{3} (- \sqrt{5}) - \sqrt{3} (- \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 5.1.6.1.1.3

Raise $\sqrt{5}$ to the power of $1$ .

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{\sqrt{5} \sqrt{5} - \sqrt{5} (- \sqrt{3}) - \sqrt{3} (- \sqrt{5}) - \sqrt{3} (- \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 5.1.6.1.1.4

Raise $\sqrt{5}$ to the power of $1$ .

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{\sqrt{5} \sqrt{5} - \sqrt{5} (- \sqrt{3}) - \sqrt{3} (- \sqrt{5}) - \sqrt{3} (- \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 5.1.6.1.1.5

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

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{{\sqrt{5}}^{1 + 1} - \sqrt{5} (- \sqrt{3}) - \sqrt{3} (- \sqrt{5}) - \sqrt{3} (- \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 5.1.6.1.1.6

Add $1$ and $1$ .

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{{\sqrt{5}}^{2} - \sqrt{5} (- \sqrt{3}) - \sqrt{3} (- \sqrt{5}) - \sqrt{3} (- \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 5.1.6.1.2

Rewrite ${\sqrt{5}}^{2}$ as $5$ .

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Step 5.1.6.1.2.1

Use $\sqrt[n]{a^{x}} = a^{\frac{x}{n}}$ to rewrite $\sqrt{5}$ as $5^{\frac{1}{2}}$ .

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{{(5^{\frac{1}{2}})}^{2} - \sqrt{5} (- \sqrt{3}) - \sqrt{3} (- \sqrt{5}) - \sqrt{3} (- \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 5.1.6.1.2.2

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

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5^{\frac{1}{2} \cdot 2} - \sqrt{5} (- \sqrt{3}) - \sqrt{3} (- \sqrt{5}) - \sqrt{3} (- \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 5.1.6.1.2.3

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

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5^{\frac{2}{2}} - \sqrt{5} (- \sqrt{3}) - \sqrt{3} (- \sqrt{5}) - \sqrt{3} (- \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 5.1.6.1.2.4

Cancel the common factor of $2$ .

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Step 5.1.6.1.2.4.1

Cancel the common factor.

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5^{\frac{2}{2}} - \sqrt{5} (- \sqrt{3}) - \sqrt{3} (- \sqrt{5}) - \sqrt{3} (- \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 5.1.6.1.2.4.2

Rewrite the expression.

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5 - \sqrt{5} (- \sqrt{3}) - \sqrt{3} (- \sqrt{5}) - \sqrt{3} (- \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 5.1.6.1.2.5

Evaluate the exponent.

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5 - \sqrt{5} (- \sqrt{3}) - \sqrt{3} (- \sqrt{5}) - \sqrt{3} (- \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 5.1.6.1.3

Multiply $- \sqrt{5} (- \sqrt{3})$ .

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Step 5.1.6.1.3.1

Multiply $- 1$ by $- 1$ .

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5 + 1 \sqrt{5} \sqrt{3} - \sqrt{3} (- \sqrt{5}) - \sqrt{3} (- \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 5.1.6.1.3.2

Multiply $\sqrt{5}$ by $1$ .

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5 + \sqrt{5} \sqrt{3} - \sqrt{3} (- \sqrt{5}) - \sqrt{3} (- \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 5.1.6.1.3.3

Combine using the product rule for radicals.

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5 + \sqrt{5 \cdot 3} - \sqrt{3} (- \sqrt{5}) - \sqrt{3} (- \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 5.1.6.1.3.4

Multiply $5$ by $3$ .

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5 + \sqrt{15} - \sqrt{3} (- \sqrt{5}) - \sqrt{3} (- \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 5.1.6.1.4

Multiply $- \sqrt{3} (- \sqrt{5})$ .

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Step 5.1.6.1.4.1

Multiply $- 1$ by $- 1$ .

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5 + \sqrt{15} + 1 \sqrt{3} \sqrt{5} - \sqrt{3} (- \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 5.1.6.1.4.2

Multiply $\sqrt{3}$ by $1$ .

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5 + \sqrt{15} + \sqrt{3} \sqrt{5} - \sqrt{3} (- \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 5.1.6.1.4.3

Combine using the product rule for radicals.

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5 + \sqrt{15} + \sqrt{3 \cdot 5} - \sqrt{3} (- \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 5.1.6.1.4.4

Multiply $3$ by $5$ .

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5 + \sqrt{15} + \sqrt{15} - \sqrt{3} (- \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 5.1.6.1.5

Multiply $- \sqrt{3} (- \sqrt{3})$ .

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Step 5.1.6.1.5.1

Multiply $- 1$ by $- 1$ .

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5 + \sqrt{15} + \sqrt{15} + 1 \sqrt{3} \sqrt{3} - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 5.1.6.1.5.2

Multiply $\sqrt{3}$ by $1$ .

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5 + \sqrt{15} + \sqrt{15} + \sqrt{3} \sqrt{3} - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 5.1.6.1.5.3

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

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5 + \sqrt{15} + \sqrt{15} + \sqrt{3} \sqrt{3} - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 5.1.6.1.5.4

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

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5 + \sqrt{15} + \sqrt{15} + \sqrt{3} \sqrt{3} - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 5.1.6.1.5.5

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

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5 + \sqrt{15} + \sqrt{15} + {\sqrt{3}}^{1 + 1} - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 5.1.6.1.5.6

Add $1$ and $1$ .

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5 + \sqrt{15} + \sqrt{15} + {\sqrt{3}}^{2} - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 5.1.6.1.6

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

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Step 5.1.6.1.6.1

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

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5 + \sqrt{15} + \sqrt{15} + {(3^{\frac{1}{2}})}^{2} - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 5.1.6.1.6.2

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

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5 + \sqrt{15} + \sqrt{15} + 3^{\frac{1}{2} \cdot 2} - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 5.1.6.1.6.3

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

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5 + \sqrt{15} + \sqrt{15} + 3^{\frac{2}{2}} - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 5.1.6.1.6.4

Cancel the common factor of $2$ .

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Step 5.1.6.1.6.4.1

Cancel the common factor.

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5 + \sqrt{15} + \sqrt{15} + 3^{\frac{2}{2}} - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 5.1.6.1.6.4.2

Rewrite the expression.

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5 + \sqrt{15} + \sqrt{15} + 3 - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 5.1.6.1.6.5

Evaluate the exponent.

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5 + \sqrt{15} + \sqrt{15} + 3 - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 5.1.6.2

Add $5$ and $3$ .

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{8 + \sqrt{15} + \sqrt{15} - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 5.1.6.3

Add $\sqrt{15}$ and $\sqrt{15}$ .

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{8 + 2 \sqrt{15} - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 5.1.7

Multiply $- 4$ by $1$ .

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{8 + 2 \sqrt{15} - 4 \sqrt{10}}}{2 \cdot 1}$

Step 5.2

Multiply $2$ by $1$ .

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{8 + 2 \sqrt{15} - 4 \sqrt{10}}}{2}$

Step 5.3

Change the $\pm$ to $+$ .

$x = \frac{\sqrt{5} + \sqrt{3} + \sqrt{8 + 2 \sqrt{15} - 4 \sqrt{10}}}{2}$

Step 6

Simplify the expression to solve for the $-$ portion of the $\pm$ .

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Step 6.1

Simplify the numerator.

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Step 6.1.1

Apply the distributive property.

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{{(- \sqrt{5} - \sqrt{3})}^{2} - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 6.1.2

Multiply $- - \sqrt{5}$ .

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Step 6.1.2.1

Multiply $- 1$ by $- 1$ .

$x = \frac{1 \sqrt{5} + \sqrt{3} \pm \sqrt{{(- \sqrt{5} - \sqrt{3})}^{2} - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 6.1.2.2

Multiply $\sqrt{5}$ by $1$ .

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{{(- \sqrt{5} - \sqrt{3})}^{2} - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 6.1.3

Multiply $- - \sqrt{3}$ .

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Step 6.1.3.1

Multiply $- 1$ by $- 1$ .

$x = \frac{\sqrt{5} + 1 \sqrt{3} \pm \sqrt{{(- \sqrt{5} - \sqrt{3})}^{2} - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 6.1.3.2

Multiply $\sqrt{3}$ by $1$ .

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{{(- \sqrt{5} - \sqrt{3})}^{2} - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 6.1.4

Rewrite ${(- \sqrt{5} - \sqrt{3})}^{2}$ as $(- \sqrt{5} - \sqrt{3}) (- \sqrt{5} - \sqrt{3})$ .

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{(- \sqrt{5} - \sqrt{3}) (- \sqrt{5} - \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 6.1.5

Expand $(- \sqrt{5} - \sqrt{3}) (- \sqrt{5} - \sqrt{3})$ using the FOIL Method.

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Step 6.1.5.1

Apply the distributive property.

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{- \sqrt{5} (- \sqrt{5} - \sqrt{3}) - \sqrt{3} (- \sqrt{5} - \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 6.1.5.2

Apply the distributive property.

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{- \sqrt{5} (- \sqrt{5}) - \sqrt{5} (- \sqrt{3}) - \sqrt{3} (- \sqrt{5} - \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 6.1.5.3

Apply the distributive property.

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{- \sqrt{5} (- \sqrt{5}) - \sqrt{5} (- \sqrt{3}) - \sqrt{3} (- \sqrt{5}) - \sqrt{3} (- \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 6.1.6

Simplify and combine like terms.

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Step 6.1.6.1

Simplify each term.

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Step 6.1.6.1.1

Multiply $- \sqrt{5} (- \sqrt{5})$ .

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Step 6.1.6.1.1.1

Multiply $- 1$ by $- 1$ .

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{1 \sqrt{5} \sqrt{5} - \sqrt{5} (- \sqrt{3}) - \sqrt{3} (- \sqrt{5}) - \sqrt{3} (- \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 6.1.6.1.1.2

Multiply $\sqrt{5}$ by $1$ .

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{\sqrt{5} \sqrt{5} - \sqrt{5} (- \sqrt{3}) - \sqrt{3} (- \sqrt{5}) - \sqrt{3} (- \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 6.1.6.1.1.3

Raise $\sqrt{5}$ to the power of $1$ .

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{\sqrt{5} \sqrt{5} - \sqrt{5} (- \sqrt{3}) - \sqrt{3} (- \sqrt{5}) - \sqrt{3} (- \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 6.1.6.1.1.4

Raise $\sqrt{5}$ to the power of $1$ .

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{\sqrt{5} \sqrt{5} - \sqrt{5} (- \sqrt{3}) - \sqrt{3} (- \sqrt{5}) - \sqrt{3} (- \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 6.1.6.1.1.5

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

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{{\sqrt{5}}^{1 + 1} - \sqrt{5} (- \sqrt{3}) - \sqrt{3} (- \sqrt{5}) - \sqrt{3} (- \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 6.1.6.1.1.6

Add $1$ and $1$ .

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{{\sqrt{5}}^{2} - \sqrt{5} (- \sqrt{3}) - \sqrt{3} (- \sqrt{5}) - \sqrt{3} (- \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 6.1.6.1.2

Rewrite ${\sqrt{5}}^{2}$ as $5$ .

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Step 6.1.6.1.2.1

Use $\sqrt[n]{a^{x}} = a^{\frac{x}{n}}$ to rewrite $\sqrt{5}$ as $5^{\frac{1}{2}}$ .

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{{(5^{\frac{1}{2}})}^{2} - \sqrt{5} (- \sqrt{3}) - \sqrt{3} (- \sqrt{5}) - \sqrt{3} (- \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 6.1.6.1.2.2

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

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5^{\frac{1}{2} \cdot 2} - \sqrt{5} (- \sqrt{3}) - \sqrt{3} (- \sqrt{5}) - \sqrt{3} (- \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 6.1.6.1.2.3

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

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5^{\frac{2}{2}} - \sqrt{5} (- \sqrt{3}) - \sqrt{3} (- \sqrt{5}) - \sqrt{3} (- \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 6.1.6.1.2.4

Cancel the common factor of $2$ .

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Step 6.1.6.1.2.4.1

Cancel the common factor.

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5^{\frac{2}{2}} - \sqrt{5} (- \sqrt{3}) - \sqrt{3} (- \sqrt{5}) - \sqrt{3} (- \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 6.1.6.1.2.4.2

Rewrite the expression.

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5 - \sqrt{5} (- \sqrt{3}) - \sqrt{3} (- \sqrt{5}) - \sqrt{3} (- \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 6.1.6.1.2.5

Evaluate the exponent.

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5 - \sqrt{5} (- \sqrt{3}) - \sqrt{3} (- \sqrt{5}) - \sqrt{3} (- \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 6.1.6.1.3

Multiply $- \sqrt{5} (- \sqrt{3})$ .

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Step 6.1.6.1.3.1

Multiply $- 1$ by $- 1$ .

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5 + 1 \sqrt{5} \sqrt{3} - \sqrt{3} (- \sqrt{5}) - \sqrt{3} (- \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 6.1.6.1.3.2

Multiply $\sqrt{5}$ by $1$ .

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5 + \sqrt{5} \sqrt{3} - \sqrt{3} (- \sqrt{5}) - \sqrt{3} (- \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 6.1.6.1.3.3

Combine using the product rule for radicals.

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5 + \sqrt{5 \cdot 3} - \sqrt{3} (- \sqrt{5}) - \sqrt{3} (- \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 6.1.6.1.3.4

Multiply $5$ by $3$ .

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5 + \sqrt{15} - \sqrt{3} (- \sqrt{5}) - \sqrt{3} (- \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 6.1.6.1.4

Multiply $- \sqrt{3} (- \sqrt{5})$ .

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Step 6.1.6.1.4.1

Multiply $- 1$ by $- 1$ .

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5 + \sqrt{15} + 1 \sqrt{3} \sqrt{5} - \sqrt{3} (- \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 6.1.6.1.4.2

Multiply $\sqrt{3}$ by $1$ .

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5 + \sqrt{15} + \sqrt{3} \sqrt{5} - \sqrt{3} (- \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 6.1.6.1.4.3

Combine using the product rule for radicals.

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5 + \sqrt{15} + \sqrt{3 \cdot 5} - \sqrt{3} (- \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 6.1.6.1.4.4

Multiply $3$ by $5$ .

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5 + \sqrt{15} + \sqrt{15} - \sqrt{3} (- \sqrt{3}) - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 6.1.6.1.5

Multiply $- \sqrt{3} (- \sqrt{3})$ .

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Step 6.1.6.1.5.1

Multiply $- 1$ by $- 1$ .

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5 + \sqrt{15} + \sqrt{15} + 1 \sqrt{3} \sqrt{3} - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 6.1.6.1.5.2

Multiply $\sqrt{3}$ by $1$ .

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5 + \sqrt{15} + \sqrt{15} + \sqrt{3} \sqrt{3} - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 6.1.6.1.5.3

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

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5 + \sqrt{15} + \sqrt{15} + \sqrt{3} \sqrt{3} - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 6.1.6.1.5.4

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

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5 + \sqrt{15} + \sqrt{15} + \sqrt{3} \sqrt{3} - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 6.1.6.1.5.5

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

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5 + \sqrt{15} + \sqrt{15} + {\sqrt{3}}^{1 + 1} - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 6.1.6.1.5.6

Add $1$ and $1$ .

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5 + \sqrt{15} + \sqrt{15} + {\sqrt{3}}^{2} - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 6.1.6.1.6

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

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Step 6.1.6.1.6.1

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

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5 + \sqrt{15} + \sqrt{15} + {(3^{\frac{1}{2}})}^{2} - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 6.1.6.1.6.2

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

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5 + \sqrt{15} + \sqrt{15} + 3^{\frac{1}{2} \cdot 2} - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 6.1.6.1.6.3

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

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5 + \sqrt{15} + \sqrt{15} + 3^{\frac{2}{2}} - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 6.1.6.1.6.4

Cancel the common factor of $2$ .

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Step 6.1.6.1.6.4.1

Cancel the common factor.

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5 + \sqrt{15} + \sqrt{15} + 3^{\frac{2}{2}} - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 6.1.6.1.6.4.2

Rewrite the expression.

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5 + \sqrt{15} + \sqrt{15} + 3 - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 6.1.6.1.6.5

Evaluate the exponent.

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{5 + \sqrt{15} + \sqrt{15} + 3 - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 6.1.6.2

Add $5$ and $3$ .

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{8 + \sqrt{15} + \sqrt{15} - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 6.1.6.3

Add $\sqrt{15}$ and $\sqrt{15}$ .

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{8 + 2 \sqrt{15} - 4 \cdot 1 \cdot \sqrt{10}}}{2 \cdot 1}$

Step 6.1.7

Multiply $- 4$ by $1$ .

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{8 + 2 \sqrt{15} - 4 \sqrt{10}}}{2 \cdot 1}$

Step 6.2

Multiply $2$ by $1$ .

$x = \frac{\sqrt{5} + \sqrt{3} \pm \sqrt{8 + 2 \sqrt{15} - 4 \sqrt{10}}}{2}$

Step 6.3

Change the $\pm$ to $-$ .

$x = \frac{\sqrt{5} + \sqrt{3} - \sqrt{8 + 2 \sqrt{15} - 4 \sqrt{10}}}{2}$

Step 7

The final answer is the combination of both solutions.

$x = \frac{\sqrt{5} + \sqrt{3} + \sqrt{8 + 2 \sqrt{15} - 4 \sqrt{10}}}{2}, \frac{\sqrt{5} + \sqrt{3} - \sqrt{8 + 2 \sqrt{15} - 4 \sqrt{10}}}{2}$

Step 8

The result can be shown in multiple forms.

Exact Form:

$x = \frac{\sqrt{5} + \sqrt{3} + \sqrt{8 + 2 \sqrt{15} - 4 \sqrt{10}}}{2}, \frac{\sqrt{5} + \sqrt{3} - \sqrt{8 + 2 \sqrt{15} - 4 \sqrt{10}}}{2}$

Decimal Form:

$x = 2.86395371 \dots, 1.10416507 \dots$