6x 3 5x 2 12x 4 July 8, 2019 16 32 64 128 6x 3 5x 2 12x 4 factorise 4x 4 12x 3 5x 2 6x 15 0 X 4 6x 3 5x 2 12x 0 2 3 is a zero of 6x 3 5x 2 12x 4
