Algebra Examples

$\pm \sqrt{49 x^{4}}$

Step 1

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

$\pm \sqrt{{(7 x^{2})}^{2}}$

Step 2

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

$\pm 7 x^{2}$