SOLUTION: can someone explain how to do this math problem -3^2+3^2

Question 198347: can someone explain how to do this math problem
-3^2+3^2
Found 2 solutions by edjones, stanbon:
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
-3^2+3^2
-a^2+a^2=0
0 answer.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
-3^2+3^2
---------------
= -9 + 9
= 0
=================
Cheers,
Stan H.
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