SOLUTION: I have attempted this problem multiple times and keep coming up with -28. I need help please. p^2 + 2pq + q^2 where p = -4 and q = 2

Algebra ->  Expressions -> SOLUTION: I have attempted this problem multiple times and keep coming up with -28. I need help please. p^2 + 2pq + q^2 where p = -4 and q = 2      Log On


   

Question 1068676: I have attempted this problem multiple times and keep coming up with -28. I need help please.
p^2 + 2pq + q^2 where p = -4 and q = 2
Found 2 solutions by Fombitz, ikleyn:
Answer by Fombitz(32388) About Me  (Show Source):
Answer by ikleyn(52816) About Me  (Show Source):
You can put this solution on YOUR website!
.
p^2 + 2pq + q^2 = %28p%2Bq%29%5E2 = %28-4+%2B+2%29%5E2 = %28-2%29%5E2 = 4.