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(1/3)*x^2-(6*x)+3 = 0
(1/3)*x^2-6*x+3 = 0
1/3*x^2-6*x+3 = 0
DELTA = (-6)^2-(1/3*3*4)
DELTA = 32
DELTA > 0
x = (32^(1/2)+6)/(1/3*2) or x = (6-32^(1/2))/(1/3*2)
x = 3/2*(4*2^(1/2)+6) or x = 3/2*(6-4*2^(1/2))
x in { 3/2*(6-4*2^(1/2)), 3/2*(4*2^(1/2)+6) }
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