Respuesta :

Let's simplify step-by-step.

7m^2+6.5n−4n+2.5m^2−n

=7m^2+6.5n+−4n+2.5m^2+−n

Combine Like Terms:

=7m^2+6.5n+−4n+2.5m^2+−n

=(7m^2+2.5m^2)+(6.5n+−4n+−n)

=9.5m^2+1.5n

Answer:

=9.5m^2+1.5n