4x^2 -70x+34=0 2(2x^2-35x+17)=0 2(x )(2x ) ( -17)( -1) 2(x-17)(2x-1)=0 Check: 2(x-17)(2x-1) 2 (x)(2x) (x)(-1) (-17)(2x) (-17)(-1) 2 (2x^2 -1x -34x +17) 2 (2x^2 -35x +17)