# How do you simplify 2sqrt121?

May 27, 2016

$= 22$

#### Explanation:

$2 \sqrt{121}$

• We simplify $121$ by prime factorisation (expressing a number as a product of its prime factors).

121 = 11 *11 = color(green)( 11^2

2 color(green)(sqrt (121)) = 2 * sqrtcolor(green)(11^2

$= 2 \cdot 11$

$= 22$