Answer:
I think It would be B lest goooooooo
Answer: a. -3a^3 - 6a^2 + 7a - 13
Step-by-step explanation:
(-8a^2 + 7a - 9) - (3a^3 - 2a^2 + 4)
-3a^3 -6a^2 + 7a - 13