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22 January, 22:28

Find the sum of the given polynomials.

5m + 2n, n - 3m, and 7 - 3n

7 - 2m

2m + 7

14m + 5n - 6

9m

+3
Answers (1)
  1. 22 January, 22:52
    0
    (5m + 2n) + (-3m + n) + (-3n + 7)

    (5m - 3m) + (2n + n - 3n) + 7

    2m + (3n - 3n) + 7

    2m + 7

    The answer is B.
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