4x 2 x 1 factorise July 8, 2019 16 32 64 128 4x 2 2x factorise X4 x 2 1 factorise 4x 2 2x 1 factorise Factorise 4x 3 4x 2 x 1 X 2 4x 1 0 factorise X 2 1 4x 1 8 factorise X 2 4x )( x 2 4x 1 20 factorise Factorise 4x 2 9 x 3 1 16 Factorise x 4 4x 2 1
