Question

(4m² + 2n) + (5'm – 2n) + (2m- 2n)​

Answer 1

Ans.

 (4$m^2$ + 2n) + (5m - 2n) + (2m - 2n)

=  4$m^2$ + 2n + 5m - 2n + 2m - 2n

= 4$m^2$ + 2n - 2n - 2n + 5m + 2m

= 4$m^2$ - 2n + 7m