Pre-Algebra Examples

$\sqrt{49 x^{4} y^{8}}$

Step 1

Rewrite $49 x^{4} y^{8}$ as ${(7 x^{2} y^{4})}^{2}$ .

$\sqrt{{(7 x^{2} y^{4})}^{2}}$

Step 2

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

$7 x^{2} y^{4}$