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20 What is the sum of 7x4 + 2xy - 5y3 and 2x4+3xy + 2y3?
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20
What is the sum of 7x4 + 2xy - 5y3 and 2x4+3xy + 2y3?

User BELLIL
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1 Answer

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Explanation:

7x^4+2xy-5y^3

+2x^4+3xy+2y^3

=9x^4+5xy-3y^3

User Crazy Serb
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