Asked by Isaac

2a squared + 8a = -12

Answers

Answered by drwls
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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