4x*3-4x*2y-(x-y)因式分解
问题描述：
4x*3-4x*2y-(x-y)因式分解
答
4x^3-4x^2y-(x-y)=4 x^2(x-y)-(x-y)=(x-y)(4 x^2-1)
答
4x^3-4x^2y-(x-y)=4x^2(x-y)-(x-y)=(x-y)(4x^2-1)=(x-y)(2x-1)(2x+1)