X 4 6x 3 7x 2 6x 1 July 8, 2019 16 32 64 128 X 4 6x 3 7x 2 6x 1 0 X 4 6x 3 7x 2 18 0 Phân tích x 4 6x 3 7x 2 6x 1 X 4 6x 3 9x 2 1 x 4 6x 3 7x 2 6x 1 X 6 3x 5 6x 4 7x 3 6x 2 3x 1 (6x - 7) ^ 4 + 4 * (6x - 7) ^ 2 + 3 = 0 6 x 7 + 4
