Question

add the following
-m^2-3mn+3n^2+8,3m^2-5n^2-3-4mn and -6mn+2m^2-2+n^2​

Answer 1

Answer:

The answer is: 6m^2 - 12mn - n^2 + 3

Step-by-step explanation:

I have attached the paper in which I have step wise written the answer.

I have solved the equation by two methods

1) Column-Wise

2) Row-Wise