X 4 4x 3 6x 2 4x 1 0 July 8, 2019 16 32 64 128 Tìm x biết x 4 4x 3 6x 2 4x 1 0 The roots of the equation x 4 4x 3 6x 2 4x 1 0 are X 4 x 4 x 4
