## Algebra 2 (1st Edition)

$z_{1}=\frac{3}{4}$ $z_{2}=-6$
$4z^{y}+21z-18=0$ $(4z-3)+(z+6)=0$ ________________________ 1.) $4z-3=0$ $4z=+3$ $z=\frac{3}{4}$ 2.) $z+6=0$ $z=-6$