Math z^2 -8z+15=0 Factor and solve Asked by AnneS2 on 18 Oct 07:06 Last updated by anonymous on 19 Oct 11:39
z^2 -8z+15=0 (z )(z ) ( -5)( -3)=0 (z-5) (z-3) = 0 Solve: (z-5)=0 z-5+5=0+5 z=5 Solve: (z-3) = 0 z-3+3 = 0+3 z=3
