X 12 81 July 8, 2019 16 32 64 128 X 12 81 factored Х 12 81 15 12 x 810 12 x 8100 12 x 812 12 х 81 3 x 12 81 818 x 12 8160 x 12 12 x 81 divided by 2 12 x 815 12 x 81000 Factor completely x 12 81 12 x 9 81
