Subtract the sum of (x^2+2y^2+7x^2y) and (x^2-3xy^2) from the sum of ( – InterviewSolution

1.	Subtract the sum of (x^2+2y^2+7x^2y) and (x^2-3xy^2) from the sum of (x^2-y^2-xy) and (3x^2-2y^2-7)
Answer» ANSWER :`3xy^2+7`

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