Question

Add : -4mn + 6n +2m , 5nm -4m -n , -mn + 1 + n

​

Answer 1

Answer:

-4mn + 6n + 2m

5nm - n - 4m

(+) -mn + n + 1

__________________

mn + 6n -2m + 1

__________________

Thank you! :)

Answer 2

Step-by-step explanation:

-4mn+6n+2m+5nm-4m-n-mn+1+n

= -4mn-mn+5mn+6n-n+n+2m-4m+1

=6n-2m+1

Mark me brainliest