x^3-4X^2+2x+1因式分解,要过程

2024-12-28 02:53:11
推荐回答(1个)
回答1:

x^3-X^2-3x^2+2x+1=x^2(x-1)+(-x+1)(3x+1)=(x-1)(x^2-3x-1)