SOLUTION: factor a^2+16=
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Question 278385: factor a^2+16=
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
factor a^2+16=
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It is not factorable in the Real Number System; it is prime.
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It is factorable in the Complex Number System:
= (a+4i)(a-4i)
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Cheers,
Stan H.
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