X to the power 4 1 factorise July 8, 2019 16 32 64 128 X to the power 4 x square 1 factorise X to the power 4 14 x square 1 factorise Factorise 16 x to the power 4 1 Factorise 1 x to the power 4 x to the power 8 Factorise x to the power 4 1 upon x to the power 4 1