作业帮化简(x-y)²(x²+xy+y²)²-(x³+y³)(-x³+y³).
来源：学生作业帮助网 编辑：作业帮 时间：2024/04/28 02:00:23
化简(x-y)²(x²+xy+y²)²-(x³+y³)(-x³+y³).
化简(x-y)²(x²+xy+y²)²-(x³+y³)(-x³+y³).
化简(x-y)²(x²+xy+y²)²-(x³+y³)(-x³+y³).
(x-y)²(x²+xy+y²)²-(x³+y³)(-x³+y³)
=[(x-y)(x²+xy+y²)]²+(x³+y³)(x³-y³)
=(x³-y³)²+(x³+y³)(x³-y³)
=(x³-y³)(x³-y³-x³-y³)
=(x³-y³)(-2y³)
=-2y³(x³-y³)