Math Factor and solve: z^2 -4z+3=0 Asked by AnneS2 on 20 Sep 05:52 Last updated by anonymous on 21 Sep 16:09
z^2 -4z+3=0 (z )(z ) ( -3)( -1)=0 (z-3) (z-1) = 0 Solve: (z-3) =0 z-3+3 =0+3 z=3 Solve: (z-1) = 0 z-1+1 = 0+1 z=1