原式=x^2(x-1)+(x-1)=(x^2+1)(x-1)看我多可怜撒!等级这么低,把最佳答案让给我吧!拜托了!!!
-x^3+x(x-1)=-x(x^2-x+1)
x^3-x^2+x-1 =x^2(x-1)+(x-1) =(x^2+1)(x-1)
x^3-X^2-X+1=(x^3-x^2)-(x-1)=x^2(x-1)-(x-1)=(x^2-1)(x-1)=(x+1)(x-1)(x-1)=(x+1)(x-1)^2