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

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)