x³-x²+1/4x因式分解
问题描述：
x³-x²+1/4x因式分解
答
x³-x²+1/4x=x（x-1/2）²
答
=x(x^2-x+1/4)
=x(x-1/2)^2
答
x³-x²+1/4x
=x(x²-x+¼)
=x(x-½)²