# How do you solve x^2 = 144?

May 2, 2018

$x = \pm 12$
$\textcolor{b l u e}{\text{take the square root of both sides}}$
$\sqrt{{x}^{2}} = \pm \sqrt{144} \leftarrow \textcolor{b l u e}{\text{note plus or minus}}$
$\Rightarrow x = \pm 12$