X 2 x 6 x 3 4x 2 18x 9 July 8, 2019 16 32 64 128 Rút gọn x 2 x 6 x 3 4x 2 18x 9 ((x ^ 3) ^ 6 * x ^ 4)/(x ^ 18) (x ^ 2)/(x + 6) = (18 - 3x)/(x + 6)
