Question

Your answer should be an expandec polynomial in standard form . (- 5a ^ 3 - 2a ^ 2) + (6a ^ 3 + 9a ^ 2 + 8a) =

Answer 1

Answer:a3+7a2+8a

Step-by-step explanation:

Combine Like Terms:

=−5a3+−2a2+6a3+9a2+8a

=(−5a3+6a3)+(−2a2+9a2)+(8a)

=a3+7a2+8a