Respuesta :

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