Math, asked by putrajsau7, 2 months ago

Add: 5m-7n, 3n-4m+2, 2m-3mn-5.

Answers

Answered by animedome55

13

Answer:

= 3m - 4n - 3mn - 3

Step-by-step explanation:

= 5m - 7n - 3n - 4m + 2 + 2m - 3mn - 5

= 5m - 4m - 2m - 7n + 3n - 3mn + 2 - 5

= (5 - 4 + 2)m + (-7 + 3)n - 3mn - 3

answer = 3m - 4n - 3mn - 3

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