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x2 - 2x + 65 = 0

Subtract 64 from each side: x2 - 2x + 1 = -64

(x - 1)2 = (i*8)2 where i is the imaginary square root of -1

x - 1 = +/- 8i

x = 1 +/- 8i

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โˆ™ 2010-05-16 14:46:49
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