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October 31, 2014

October 31, 2014

Posted by **Isaac** on Tuesday, April 7, 2009 at 6:14pm.

- math -
**drwls**, Tuesday, April 7, 2009 at 6:32pm2a^2 + 8a = -12

a^2 + 4a + 6 = 0

a = (1/2)*[-4 +/- sqrt(16-24)]

= (1/2)*[-4 +/- 2i sqrt2]

where i = sqrt(-1)

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