4 x 64 0 July 8, 2019 16 32 64 128 X 4 2 64 0 X 4 20x 64 0 X 4 12x 2 64 0 X 4 65x 2 64 0 X 4 16x 2 64 0 4 x 20 * 2 x 64 0 4x 4 64 0 X 4 64 0 factored 4 x 20.2 x 64 0 Solve x 4 64 0