X 4 12x 2 64 July 8, 2019 16 32 64 128 X 4 12x 2 64 0 X 6 12x 4 48x 2 64 0 Factor x 4 12x 2 64 X 4 12x 3 64x 2 0 X 4 12x 3 48x 2 64x X 6 12x 4 48x 2 64 12 x 4 = 12 / 4 x 6