(1) 3x^3-2x-1 (2)x^3 6x^2 11x 6 (3)x^4 2x^3-9x^2-2x 8 (4) (x^2 3x 2)(x^2 7x 12)-120.因式分解

2020-06-23 13:33发布

(1) 3x^3-2x-1 (2)x^3 6x^2 11x 6 (3)x^4 2x^3-9x^2-2x 8 (4) (x^2 3x 2)(x^2 7x 12)-120.因式分解

(1) 3x^3-2x-1 (2)x^3 6x^2 11x 6 (3)x^4 2x^3-9x^2-2x 8 (4) (x^2 3x 2)(x^2 7x 12)-120.因式分解