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5 August, 21:51

Sum of polynomials?

(m+n+3) + (m+n+4)

A.-1

B. m2+n2+7

C. 2m+2n+7

D. 2m2+2n2+7

+4
Answers (1)
  1. 6 August, 00:45
    0
    The answer is c because there are 2 m's, 2 n's, and 3+4 is 7
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