(x³-2y²)(-2y²-x³)=?

来源:学生作业学帮网 编辑:学帮网 时间:2024/06/05 09:29:56

(x³-2y²)(-2y²-x³)=?

(x³-2y²)(-2y²-x³)
=-(x³-2y²)(2y²+x³)
=-x^6+4y^4