因式分解(6x+7) (3x+4)(x+1)-6

2024-11-22 04:04:15
推荐回答(1个)
回答(1):

=(6x^2+24x+21x+28)(x+1)=(6x^2+45x+28)(x+1)=6x^3+45x^2+28x+6x^2+45x+28
=6x^3+51x^2+28x+28