Question

Add this Polynomials
(9m^4n^2-13m^3n^3+11m^2n^4)+(-4m^2-n^4-3m^4n^2-m^3n^3)

Answer 1

(9 m^4 n^2-13 m^3 n^3+11 m^2 n^4)+(-4 m^2-n^4-3 m^4 n^2-m^3 n^3) = 6 m^4 n^2-14 m^3 n^3+11 m^2 n^4-4 m^2-n^4

Answer 2

I know it to that steps,then whats next