X 2 17x 16 July 8, 2019 16 32 64 128 X 2 17x 16 0 X 2 17x 168 0 X 2 17x 16 factorise X 2 17x 168 X 2 17x 16 in factored form X 4 17x 2 16 0 Factor x 2 17x 16 Factorise x 2 17x 168 X 4 17x 2 16 factor Solve x 4 17x 2 16 0