For this case we have:
Be a function of the form 
Where:

If we want to find f (-2), we substitute
, then:

Since we have a negative root, the result will be given by complex numbers. By definition:

So:

Answer:

Answer:
x = -5/9
Step-by-step explanation:
9x + 5 = 0
x = -5/9
if this is incorrect then ur question is missing something
5x-3=2.5x+x solve this equation that I just gave you for X then plug it in to 2.5x and that will equal MN