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D( x )
x^2 = 0
x^2 = 0
x^2 = 0
1*x^2 = 0 // : 1
x^2 = 0
x = 0
x in (-oo:0) U (0:+oo)
2*x+(3*x)/(x^2)-(1/2) = 0
2*x+(3*x)/(x^2)-1/2 = 0
2*x^1+3*x^-1-1/2*x^0 = 0
(2*x^2-1/2*x^1+3*x^0)/(x^1) = 0 // * x^2
x^1*(2*x^2-1/2*x^1+3*x^0) = 0
x^1
2*x^2+(-1/2)*x+3 = 0
2*x^2+(-1/2)*x+3 = 0
DELTA = (-1/2)^2-(2*3*4)
DELTA = -95/4
DELTA < 0
x in { }
x belongs to the empty set
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