Answer:
6
Step-by-step explanation:
4(3)+(2)^2-(5)^2
12+4-10
16-10
6
Answer:
9
Step-by-step explanation:
The constant is the plain number that doesn't have a letter attached.
I think that's 2x but I'm not really sure.
I hope this helps.
-7a^2 because 3a-3a=0, the second set of terms can be simplified as -7a^2