what is the value of (x2y- y2x) (2x+3y)
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(x^2y- y^2x) (2x+3y)
= 2x(x^2y- y^2x) +3y (x^2y- y^2x)
= 2x^3y- 2x^2y^2 +x^23y^2-2x3y^3
= 2x(x^2y- y^2x) +3y (x^2y- y^2x)
= 2x^3y- 2x^2y^2 +x^23y^2-2x3y^3
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2x^3y-2x^2y^2+x^23y^2-2x3y^3
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