4x 2 2x 12 0 July 8, 2019 16 32 64 128 X 3 2x 2 4x 12 0 3x 4 2x 3 4x 2 4x 12 0 2x 3 5x 2 4x 12 0 3 4x 2 1 2x 1 12 0 4x2-12x = 0
