Respuesta :

Answer:

5-9i

Step-by-step explanation:

If you add the 4 and 1 you get 5, and if you add -7i and -2i since they are both negative, they stay negative, so you get -9i.  So the answer is 5-9i.

dbonds

Answer:

5-9i

Step-by-step explanation:

I took the test