SOLUTION: simplify and combine (-7x^2+3xy-5y^2)-(-2x^2-xy+y^2)+(-x^2-7y^2)
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-> SOLUTION: simplify and combine (-7x^2+3xy-5y^2)-(-2x^2-xy+y^2)+(-x^2-7y^2)
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Algebra: Expressions involving variables, substitution
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Question 166170
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simplify and combine (-7x^2+3xy-5y^2)-(-2x^2-xy+y^2)+(-x^2-7y^2)
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partygirl1122(6)
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-21xy^4+2xy
(