Question

please solve it i need it. very urgently

Answer 1

Answer:

10m-4n-5

Step-by-step explanation:

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

5m+5m-7n+3n-5

10m-4n-5

Answer 2

Answer:

$5m - 7n + 3n + 5m + 2m - 5 \\ 5m + 5m + 3n + 2m - 5 - 7n \\ 10 {m}^{2} + 5mn + 12n$

I hope it help you.....