x^3-3x+2=x³-x-2x+2=x(x²-1)-2(x-1)=x(x-1)(x+1)-2(x-1)=(x-1)(x²+x-2)=(x-1)(x-1)(x+2)=(x-1)²(x+2)明教为您解答，如若满意,请点击[满意答案];如若您有不满意之处,请指出,我一定改正!希望还您一个正确答复!祝您学业进步!
