X 3 8x 2 7x 0 July 8, 2019 16 32 64 128 2 5x x 3 8x 0 7x 0 54 X 3 7x 2 8x 56 0 X 4 2x 3 7x 2 8x 12 0 X 3 7x 2 8x 16 0 X 4 8x 3 7x 2 40x 60 0 3x - (7x - 8) = 0 8 ^ 2