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(3*x^2)/4-((1/2)*x)-(1/3) = 0
(3*x^2)/4+(-1/2)*x-1/3 = 0
3/4*x^2-1/2*x-1/3 = 0
DELTA = (-1/2)^2-(-1/3*3/4*4)
DELTA = 5/4
DELTA > 0
x = ((5/4)^(1/2)+1/2)/(3/4*2) or x = (1/2-(5/4)^(1/2))/(3/4*2)
x = 2/3*((5/4)^(1/2)+1/2) or x = 2/3*(1/2-(5/4)^(1/2))
x in { 2/3*(1/2-(5/4)^(1/2)), 2/3*((5/4)^(1/2)+1/2) }
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