已知x+y=0,xy=-7,求x^2y+xy^2

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已知x+y=0,xy=-7,求x^2y+xy^2
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已知x+y=0,xy=-7,求x^2y+xy^2
已知x+y=0,xy=-7,求x^2y+xy^2

已知x+y=0,xy=-7,求x^2y+xy^2
x^2y+xy^2
=xy(x+y)
=-7*0
=0

x^2y+xy^2
=xy(x+y)
=-7*0
=0

0