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310-((3/2)*x^2)-(2*x) = 0
(-3/2)*x^2-2*x+310 = 0
310-3/2*x^2-2*x = 0
DELTA = (-2)^2-(-3/2*4*310)
DELTA = 1864
DELTA > 0
x = (1864^(1/2)+2)/(-3/2*2) or x = (2-1864^(1/2))/(-3/2*2)
x = (2*466^(1/2)+2)/(-3) or x = (2-2*466^(1/2))/(-3)
x in { (2*466^(1/2)+2)/(-3), (2-2*466^(1/2))/(-3) }
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