x2 - 11x - 12 = 0 (x )(x ) ( -12)( +1)=0 (x-12) (x+1) = 0 Solve: (x-12)=0 x-12+12=0+12 x=12 Solve: (x+1) = 0 x+1-1 = 0-1 x=-1
