9x 2 8x 4 0 July 8, 2019 16 32 64 128 9x 4 8x 2 1 0 X 4 4x 3 9x 2 8x 4 0 18x 3 − 9x 2 − 8x 4 0 X 4 8x 3 9x 2 0 9 x 8 = 2x 9
