2x 1 8 0 July 8, 2019 16 32 64 128 2x x 1 8 0 2x 2 1 8 0 4x 2x 1 8 0 2x 2 x 1 8 0 0.25 2x 1 8 x 3 1 2x 2 3x 8 0 8 2x 1 0 125 1 2x 5 16 0 8 X 15 2 2x 1 8 1 0 2x2 x 8 2x 1 )= 0 2x 1 3 8 0 2x 5 8 1 0 25x 3x 0 5 2x 1 8 2x square 1 8 0 22x 2x 1 8 0