Answer:
The simplified form of the provided expression is [tex]9.5m^2+1.5n[/tex].
Step-by-step explanation:
Consider the provided expression.
[tex]7m^2+6.5n-4n+2.5m^2-n[/tex]
Arrange the like terms together.
[tex]7m^2+2.5m^2+6.5n-4n-n[/tex]
Add and subtract the like terms as shown below:
[tex]9.5m^2+1.5n[/tex]
Thus, the simplified form of the provided expression is [tex]9.5m^2+1.5n[/tex].
