Question 44106
When x=-3, 
-x^2–5x–6=-9+15-6=0

When x=-2, 
-x^2–5x–6=-4+10-6=0

I hope this helps 
P.S. I am trying to start up my own homework help website. I would be extremely grateful if you would e-mail me some feedback on the help you received to adam.chapman@student.manchester.ac.uk 
Adam