Y 2x 2 9x 5 July 8, 2019 16 32 64 128 Y 2x 2 9x 5 quadratic formula Y 2x 3 9x 2 12x 5 Factorise 2x y 2 9x y 5 58 2x 2 9x 2 5 3x y 6 Y = 2x + 5