Answer:
-5/3 and -1
Step-by-step explanation:
I am not sure what you mistake is, but here is my solution. I hope that it helps. I am sorry that you are frustrated. We have all been there.
First do 9 times 9 times 9
Sorry this came pretty late but I just answered the question and thought it might help someone else later
n = 4 is 10
hope it helps and have a good day