4x 3 2x 2 8x 7 July 8, 2019 16 32 64 128 4x 1 2 3 2x 8x 1 7 4x 5 2 3 2x 8x 1 7 8x 5 2 3 2x 4x 7x Factorise 4x 3 2x 2 8x 7