因式分解3x三次方-4x平方+3x-2
问题描述:
因式分解3x三次方-4x平方+3x-2
答
3x^3-4x^2+3x-2
=3x^3-3x^2-x^2+x+2x-2
=3x^2(x-1)-x(x-1)+2(x-1)
=(3x^2-x+2)(x-1)