# How do you solve 4x^2 = 144?

Dec 6, 2015

#### Answer:

$x = + 6 \mathmr{and} x = - 6$

#### Explanation:

$4 {x}^{2} = 144$
This implies ${x}^{2} = 36$
So ${x}^{2} = \sqrt{36}$
So $x = + 6 \mathmr{and} x = - 6$