SOLUTION: How do you/Can you factor: x^2 +19?

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Question 171904: How do you/Can you factor: x^2 +19?
Found 2 solutions by stanbon, Alan3354:
Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
Can you factor: x^2 +19
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No, if you restrict the answer to Real Numbers.
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Yes, if you allow complex numbers.
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Ans: x^2 + 19 = (x + isqrt(19))(x - isqrt(19))
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chers,
Stan H.

Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
How do you/Can you factor: x^2 +19?
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X^2 + 19 can't be factored with integers.
The solutions to x^2+19 = 0 are irrational and complex, not integers.
Irrational, meaning they're not integers or ratios or integers, and complex meaning there's a sqrt of a negative number involved.

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