9 6x-x^2 July 8, 2019 16 32 64 128 9 6x x 2 9 6x x 2 factorise 9 6x x 2 0 6x 9 x 2 3x 6x 9 2 x 3 X2 6x 9 x 2 9 x 2 6x 1 X 2 6x 9 0 quadratic formula X 2 6x 9 16 X 2 6x 9 0 solve by factoring X 2 6x 9 0 completing the square X 2 6x 9 0 discriminant X 2 6x 9 0 graph X 2 6x 9 36 X 2 6x 9 7
