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Question 1133413: What is the sum of all the positive integers x such that x^4 - x^2 + 64 is a perfect square
Answer by Alan3354(69443)   (Show Source):
You can put this solution on YOUR website! Zero (0) fits, but adds nothing to the sum.
One (1) fits. Might be others, might not. I don't think there are, I'll check further tomorrow.
It's the weekend.
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There's 8
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I would use Excel to search. I don't have it here, it's at work.
You can do that.
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