Question

Simplify.
3n² + 3(3m³ + 3n³)

Thanks so much!!

Answer 1

3n^2+9m^3+9n^3.(multiply 3(3m^3+3n^3).).

Answer 2

3n^2 + 3(3m^3 + 3n^3) =

= 3n^2 + 9m^3 + 9n^3

= 9m^3 + 3n^2 + 9n^3