# How do you solve 4x^2 - 48 = 16?

Jun 22, 2015

Let's start by dividing everything by 4.

#### Explanation:

$\to {x}^{2} - 12 = 4$
Now we add 12 to both sides:
$\to {x}^{2} = 16$

$\to x = 4 \mathmr{and} x = - 4$ because they both have $16$ as a square.