Question

How do you add `6m ^ { 7} n ^ { 2} + 10m ^ { 4} n ^ { 4}`?

Answer 1

You can not add these two terms in any significant way.

Explanation:

You could extract a common factor,
so `6m^7n^2+10m^4n^4=color(red)(""(2m^4n^2))color(blue)(""(3m^3+5n^2))`
but this really isn't a great improvement and is certainly not adding.

You can not add terms unless all of their variables and exponents are identical.