SOLUTION: What is a^2 + 225 = 0 (my answer - 15,-15 was wrong)

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Question 533405: What is
a^2 + 225 = 0
(my answer - 15,-15 was wrong)
Answer by Edwin McCravy(20055)   (Show Source): You can put this solution on YOUR website!
aČ + 225 = 0
      aČ = -225
       a = ±
       a = ±
       a = ±
       a = ±15i

Two solutions:

 a = 15i,   a = -15i

Edwin
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