4x³-4x²y-(x-y)分解因式
问题描述:
4x³-4x²y-(x-y)分解因式
答
4x³-4x²y-(x-y)
=4x²(x-y)-(x-y)
=(x-y)(4x²-1)
=(x-y)(2x+1)(2x-1)
答
原式=4x²(x-y)-(x-y)
=(x-y)(4x²-1)
=(x-y)(2x+1)(2x-1)