X 3 9x 2 2x 18 0 July 8, 2019 16 32 64 128 Solve x 3 2x 2 9x 18 0 Factor x 3 2x 2 9x 18 0 Tìm x biết x 3 2x 2 9x 18 0 X ^ 3 + 2x ^ 2 - 9x - 18 = 0