Algebra Examples

$\sqrt{441}$

Step 1

Rewrite $441$ as $21^{2}$ .

$\sqrt{21^{2}}$

Step 2

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

$21$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$