math
posted by Isaac .
2a squared + 8a = 12

math 
drwls
2a^2 + 8a = 12
a^2 + 4a + 6 = 0
a = (1/2)*[4 +/ sqrt(1624)]
= (1/2)*[4 +/ 2i sqrt2]
where i = sqrt(1)
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