## Algebra 2 Common Core

x = ±$\sqrt 30$
$x^{2}$ = $\frac{15}{0.5}$ Step 1: Divide by 0.5, $x^{2}$ = 30. If $x^{2}$ = $a^{2}$, then x = ± a, so Step 2: x = ± $\sqrt 30$