9x 3 6x 2 12x July 8, 2019 16 32 64 128 9x 3 6x 2 12x 8 Divide 9x 3 6x 2 12x 5 by 3x 1 9x 4 6x 3 12x 2 9x 3 12x 2 6x 1 9x 3 12x 2 6x 1 0 12x^ 3 -9x^ 2 +6x gcf Giải phương trình 9x 3 6x 2 12x 8