Answer:
4m^2-3mn^2+5
Step-by-step explanation:
Answer:
I III and IV
Step-by-step explanation:
Use photomath it’s faster and you get correct Answers!<3 have a good day
You can combine the same numbers with the same variables using the operation sign for each. For example, using your equation, you would combine the 3n and 4n which is 7n. So your equation would be
7n - 2