Answer:
5a to the power of 2 ofc
Step-by-step explanation:
5a²
It is 5a² because 7a² and 2a² are like terms, so we are able to subtract them. If we subtract 7-2 we get 5. It is the same thing, 7a²-2a² is equal to 5a²
Hope this helps!
-17
-6-11=-17
the answer is 5 because thats the varible
