9 x 27 2 2x July 8, 2019 16 32 64 128 9 2x 1 27 x 2 9 * 81 1 2x 27 2 x 9 2x 27 x 2 1 3 9 2x 27 x 2 5 27 x 2 =( 1 9 2x 4 9 2x 3 27 x 2 72 * 2 2x 4 * 9 x * 27 2x 9