Answer :
Answer:a3+7a2+8a
Step-by-step explanation:
Combine Like Terms:
=−5a3+−2a2+6a3+9a2+8a
=(−5a3+6a3)+(−2a2+9a2)+(8a)
=a3+7a2+8a
Answer:a3+7a2+8a
Step-by-step explanation:
Combine Like Terms:
=−5a3+−2a2+6a3+9a2+8a
=(−5a3+6a3)+(−2a2+9a2)+(8a)
=a3+7a2+8a