X 4 4x 3 4x 2 1 0 July 8, 2019 16 32 64 128 X 4 4x 3 12x 2 x 1 0 X 4 4x 3 3x 2 2x 1 0 X 5 4x 4 3x 3 3x 2 4x 1 0 X 4 4x 3 6x 2 4x 1 0 X 4 4x 3 2x 2 4x 1 0 X 4 4x 3 3x 2 4x 1 0 Tìm x biết x 4 4x 3 6x 2 4x 1 0 X 5 4x 4 x 3 x 2 4x 1 0 X 4 4x 3 ax 2 bx 1 0 The roots of the equation x 4 4x 3 6x 2 4x 1 0 are
