Finite Math Examples

$\sqrt{\sqrt{81} x^{8}}$

Step 1

Simplify the expression.

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Step 1.1

Rewrite $81$ as $9^{2}$ .

$\sqrt{\sqrt{9^{2}} x^{8}}$

Step 1.2

Pull terms out from under the radical, assuming positive real numbers.

$\sqrt{9 x^{8}}$

Step 2

Rewrite $9 x^{8}$ as ${(3 x^{4})}^{2}$ .

$\sqrt{{(3 x^{4})}^{2}}$

Step 3

Pull terms out from under the radical, assuming positive real numbers.

$3 x^{4}$