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D( x )
x = 0
x = 0
x = 0
x in (-oo:0) U (0:+oo)
x-(1/x)-2 = x-((3/2)*x)-3 // - x-((3/2)*x)-3
x-x+(3/2)*x-(1/x)-2+3 = 0
x-x+(3/2)*x-x^-1-2+3 = 0
3/2*x^1-1*x^-1+1*x^0 = 0
(3/2*x^2+1*x^1-1*x^0)/(x^1) = 0 // * x^2
x^1*(3/2*x^2+1*x^1-1*x^0) = 0
x^1
(3/2)*x^2+x-1 = 0
(3/2)*x^2+x-1 = 0
DELTA = 1^2-(-1*4*(3/2))
DELTA = 7
DELTA > 0
x = (7^(1/2)-1)/(2*(3/2)) or x = (-7^(1/2)-1)/(2*(3/2))
x = (7^(1/2)-1)/3 or x = (-(7^(1/2)+1))/3
x in { (-(7^(1/2)+1))/3, (7^(1/2)-1)/3}
x in { (-(7^(1/2)+1))/3, (7^(1/2)-1)/3 }
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