Answer:
9 sq ft
Step-by-step explanation:
The answer to this is 5a-7
-2
explanation:
coefficient is the number in front of the term it's asking for. so the number in front of x² would be the -2.
- another tip the b's represents x in that equation!!
A - a removes both a’s from equation, then you’re left with b + bsquared, since they are unknown values you cannot combine them, even if it is the same letter, you can only add and subtract unknown values with their same letters together.