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

asked Jun 16, 2017 158k views

4 votes

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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5 votes

answer is B.............

Shrish answered Jun 18, 2017

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.

Tellisense answered Jun 22, 2017

8.7k points

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