Question

(9m+5n+4)+(-2m-5n+1)

Answer 1

Answer:

9m+5n+4-2m-5n+1

like Terms On the Same sides

9m-2m+5n-5n+4+1

(5n-5n=0)

7m+5 --->Ans

Answer 2

Answer:

Question :-

➠ (9m + 5n + 4) + (-2m - 5n + 1)

Answer :-

➠ (9m + 5n + 4) + (-2m - 5n + 1)

➻ 9m + 5n + 4 - 2m - 5n + 1

➻ 9m - 2m + 5n - 5n + 4 + 1

➻ 7m + 5