# How do you simplify -11sqrt242?

Feb 5, 2017

Find the perfect square factors of the number under the radicand and take them out.

#### Explanation:

$- 11 \sqrt{242}$

$= - 11 \sqrt{{11}^{2} \times 2}$

$= - 11 \times 11 \times \sqrt{2}$

$= - 121 \sqrt{2}$