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D( x )
x = 0
x = 0
x = 0
x in (-oo:0) U (0:+oo)
2-((3*x)/1)-x = 8/x-1 // - 8/x-1
1-((3*x)/1)-x-(8/x)+2 = 0
1-3*x-x-8*x^-1+2 = 0
3*x^0-4*x^1-8*x^-1 = 0
(3*x^1-4*x^2-8*x^0)/(x^1) = 0 // * x^2
x^1*(3*x^1-4*x^2-8*x^0) = 0
x^1
3*x-4*x^2-8 = 0
3*x-4*x^2-8 = 0
DELTA = 3^2-(-8*(-4)*4)
DELTA = -119
DELTA < 0
x in { }
x belongs to the empty set
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