3 2 18 9 July 8, 2019 16 32 64 128 3 2x 2 9x 18 X 3 2 9x 18 2 3 5 9 18 A 3 2a 2 18 9a X 3 2x 2 9x 18 4x 3 8x 2 9x 18 X 3 2x 2 9x 18 factor Х 3 2х 2 9х 18 0 X 3 8x 2 9x 18 X 3 2x 2 9x 18 factor by grouping N 3 2n 2 9n 18 0 4х 3 8х 2 9х 18 P 3 2p 2 9p 18 0 7 2 18 9 3 X 3 8x 2 9x 18 0
