SOLUTION: Solve the following equation over the complex numbers. x2 + 16 = 0

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Question 434233: Solve the following equation over the complex numbers.
x2 + 16 = 0

Answer by Gogonati(855)   (Show Source): You can put this solution on YOUR website!
To solve , subtract 16 from both sides,
, and x= +/- sqrt(-16)= +/- sqrt(16)*Sqrt(-1), we know that
,thus x=+/-4i.

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