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

2a squared + 8a = -12

2a^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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