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