Answer:
D
Step-by-step explanation:
It just is trust
Answer:

Step-by-step explanation:

First you factor
:

Then you factor out
from
:




Then you factor out 7 from
:




Factor out common term
:


Factor
:




Use the perfect square formula:


Cancel out common factor
:

12-5i + -3 + 4i
you will put them in brackets
(12-(5*i)) + (-3 +4*i)
is equal to 9-i
Hope this Help!