Answer:
[tex]3m^{2}-6[/tex]
Step-by-step explanation:
When adding terms, it is important that they have the same degree:
[tex]2m^{2} + 3m - 4[/tex]
+ [tex](1)m^{2} - 3m - 2[/tex]
= [tex]3m^{2} + 0m -6[/tex]
= [tex]3m^{2}-6[/tex]
Hope this explanation helps :) Please let me know if you have any questions.
