2 x 2 6x 18 July 8, 2019 16 32 64 128 X 2 9y 2 6x 18y 9 0 X 2 6x 18 0 X 2 6x 18 0 quadratic formula X 2 6x 187 X 2 6x 187 0 X 2 6x = 180 X 2 6x 18 9 2x 2 6x 18 0 X 2 y 2 6x 10y 18 0 X 3 2 x 3 2 6x 18 Factorise x 2 2 6x 18 X 2 6x 18 complete the square X 2 6x 18 0 completing the square X 2 6x 180 0
