Answer: -2 - i
Step-by-step explanation:
I am assuming you are looking for the conjugate of (-2 + i).
The conjugate is when you change the sign between the numbers.
For example:
3 + i --> conjugate is 3 - i
5 + 2i ---> conjugate is 5 - 2i
So,
-2 + i ---> conjugate is -2 - i