18 x 2 3 July 8, 2019 16 32 64 128 2 x + 18 = 30 18 x 2 3x 18 x 2 36 18 x 2 39 18 2 x 3 5 18 2 x 3 4 18 x 1 2 3 28 18 2 x 3 18 x 5 81 2 3 X 18 2 2x 3 X 2 3x 18 0 quadratic formula X 2 3x 18 factorise X 2 3 18 0 3x 18 x 2 6x 7 2 18 2 x 3
