Simplify the Radical Expression square root of 3( square root of 5- square root of 3)

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

Apply the distributive property.

$\sqrt{3} \sqrt{5} + \sqrt{3} (- \sqrt{3})$

Combine using the product rule for radicals.

$\sqrt{3 \cdot 5} + \sqrt{3} (- \sqrt{3})$

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

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

$\sqrt{3 \cdot 5} - ({\sqrt{3}}^{1} \sqrt{3})$

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

$\sqrt{3 \cdot 5} - ({\sqrt{3}}^{1} {\sqrt{3}}^{1})$

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

$\sqrt{3 \cdot 5} - {\sqrt{3}}^{1 + 1}$

Add $1$ and $1$ .

$\sqrt{3 \cdot 5} - {\sqrt{3}}^{2}$

Simplify each term.

Multiply $3$ by $5$ .

$\sqrt{15} - {\sqrt{3}}^{2}$

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

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

$\sqrt{15} - {(3^{\frac{1}{2}})}^{2}$

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

$\sqrt{15} - 3^{\frac{1}{2} \cdot 2}$

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

$\sqrt{15} - 3^{\frac{2}{2}}$

Cancel the common factor of $2$ .

Cancel the common factor.

$\sqrt{15} - 3^{\frac{2}{2}}$

Rewrite the expression.

$\sqrt{15} - 3^{1}$

Evaluate the exponent.

$\sqrt{15} - 1 \cdot 3$

Multiply $- 1$ by $3$ .

$\sqrt{15} - 3$

The result can be shown in multiple forms.

Exact Form:

$\sqrt{15} - 3$

Decimal Form:

$0.87298334 \dots$