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spc476
on March 4, 2011
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Hardest captcha ever?
The image is in a clean looking font, so the OCR would probably be decent. Also, the question I got (Find the least real zero of the polynomial: p(x) = x^2 + 6x + 9) I typed, as is, into Wolfram Alpha and well, look at that, x = -3.
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