2x 2 7x 3 12 July 8, 2019 16 32 64 128 2x 2 7x 3 12 quadratic formula 3 2x 2 7x 12 0 X 3 2x 2 7x 12 0 X 3 2x 2 7x 12 2x 3 5x 2 7x 12 0 2x 3 7x 2 12x 42 0 2x 3 7x 2 28x 12 2x 4 3x 3 12x 2 7x 6 2x 3 7x 2 12x 45 2x 3 7x 2 12x 42 2x 3 7x 2 12x 9 2x 3 7x 2 7x 12 factored Factorise x 3 2x 2 7x 12 Y 2x 3 7x 2 7x 12 7x 3 2x 2 42x 12