X2 x 4 factorise July 8, 2019 16 32 64 128 2x 2 x 4 factorise 2x 2 x 4 factor 1 x 2 x 4 factorise X2 x 4 factor X2 x 1 4 factorise X2 x 4 1 8 factorise X2 x 4 0 factoring X2 4x 4 factorise
