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inna [77]
3 years ago
12

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

Mathematics
1 answer:
Norma-Jean [14]3 years ago
4 0

Step-by-step explanation:

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

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

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

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