Factor and solve z^2 -27z+152=0

z^2 -27z+152=0

(z )(z ) ( -19)( -8)=0

(z-19) (z-8) = 0

Solve:

(z-19) =0

z-19+19 =0+19

z=19

Solve:

(z-8) = 0

z-8+8= 0+8

z=8