Math Factor and solve z^2 -10z+9=0 Asked by AnneS2 on 22 Jul 05:14 Last updated by anonymous on 23 Jul 16:21
z^2 -10z+9=0 (z )(z ) ( -9)( -1)=0 (z-9) (z-1) = 0 Solve: (z-9)=0 z-9+9=0+9 z=9 Solve: (z-1) = 0 z-1+1 = 0+1 z=1
