SOLUTION: Factor completely k squared + 4

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Question 110326: Factor completely
k squared + 4
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Factor completely
k squared + 4
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k^2+4 is prime in the Real Number System but can
be factored in the Complex Number System.
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K^2+4 = (k+2i)(k-2i)
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Cheers,
Stan H.