已知x+y=2.xy=-4.求x^3y^2+x^2y^3

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已知x+y=2.xy=-4.求x^3y^2+x^2y^3
已知x+y=2.xy=-4.求x^3y^2+x^2y^3

已知x+y=2.xy=-4.求x^3y^2+x^2y^3
原式=x²y²(x+y)
=(xy)²(x+y)
=(-4)²*2
=32

x^3y^2+x^2y^3
=x²y²(x+y)
=4²×2
=16×2
=32

阿打算的撒的撒

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