## Algebra 1: Common Core (15th Edition)

$g = ±\frac{5}{2}$
First, let's divide $4$ from each side. $g^2 = \frac{25}{4}$ $\frac{25}{4}$ is either $\frac{5}{2}$ multiplied by itself, or $-\frac{5}{2}$multiplied by itself. If we square root both sides, we get $g = ±\frac{5}{2}$