4x 4 12x 3 9x 2 July 8, 2019 16 32 64 128 4x 4 12x 3 9x 2 0 Factorise 4x 4 12x 3 9x 2 Factor 9x 4 12x 3 4x 2 12x 4 4x 3 9x 3 3x 2