2 2 2x 6 July 8, 2019 16 32 64 128 2 (- 2x 2 )- 6 4 2 2x 2 64 2 2x 2 )- 6x 2 2x 2 )= 6x 4 2 2x 2 6 x X 2 2 2x 6 0 2 3x 2 2x 6 X 2 2 2x 6 factorise 2 2x 2 2x 60 2 1 2 2x )= 6x 2 x 2 2x 6 factor X 2 2x 2 6x 5 2 2x 2 3 6 )= x 9 2 3x 1 2 2x 6 4 x 2 )= 2 2x 6