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Find the sum of the given polynomials. 5m + 2n, n - 3m, and 7 - 3n 7 - 2m 2m + 7 14m + 5n - 6 9m
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4 votes
Find the sum of the given polynomials.

5m + 2n, n - 3m, and 7 - 3n
7 - 2m
2m + 7
14m + 5n - 6
9m

User Kerstomaat
by
8.6k points

2 Answers

5 votes
answer is B.............
User Shrish
by
7.7k points
5 votes
(5m + 2n) + (-3m + n) + (-3n + 7)
(5m - 3m) + (2n + n - 3n) + 7
2m + (3n - 3n) + 7
2m + 7

The answer is B.
User Tellisense
by
8.7k points
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