## Algebra 2 Common Core

$x=\sqrt{23},-\sqrt{23}$
$x^2-23=0$ Step 1 - we must add 23 to both sides of the equation: $x^2 = 23$ Step 2 - we must take the square root of both sides of the equation: $x=\pm\sqrt{23} \\x=\sqrt{23},-\sqrt{23}$