2 5x 18 0 July 8, 2019 16 32 64 128 2x 2 5x 18 0 X 2 5x 18 0 3x 2 5x 18 0 7x 2 5x 18 0 3x 2 25x 18 0 5x 2 9x 18 0 5x 2 33x 18 0 5x 2 21x 18 0 5x 2 19x 18 0 5x 2 12x 18 0 4x 2 5x 18 0 5x 2 27x 18 0 Factorise 2x 2 5x 18 0 5x 2 43x 18 0