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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)
1 = x+(3/2)*x-((3*x)/(x^2))+2+6 // - x+(3/2)*x-((3*x)/(x^2))+2+6
(3*x)/(x^2)-x-((3/2)*x)-6-2+1 = 0
(-3/2)*x-x+(3*x)/(x^2)-6-2+1 = 0
3*x^-1-5/2*x^1-7*x^0 = 0
(3*x^0-5/2*x^2-7*x^1)/(x^1) = 0 // * x^2
x^1*(3*x^0-5/2*x^2-7*x^1) = 0
x^1
(-5/2)*x^2-7*x+3 = 0
(-5/2)*x^2-7*x+3 = 0
DELTA = (-7)^2-(3*4*(-5/2))
DELTA = 79
DELTA > 0
x = (79^(1/2)+7)/(2*(-5/2)) or x = (7-79^(1/2))/(2*(-5/2))
x = (79^(1/2)+7)/(-5) or x = (7-79^(1/2))/(-5)
x in { (79^(1/2)+7)/(-5), (7-79^(1/2))/(-5)}
x in { (79^(1/2)+7)/(-5), (7-79^(1/2))/(-5) }
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