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D( x )
1-x = 0
1-x = 0
1-x = 0
1-x = 0 // - 1
-x = -1 // * -1
x = 1
x in (-oo:1) U (1:+oo)
(x/(1-x))*(2-x) = 0.6 // - 0.6
(x/(1-x))*(2-x)-0.6 = 0
(x*(2-x))/(1-x)-0.6 = 0
(x*(2-x))/(1-x)+(-0.6*(1-x))/(1-x) = 0
x*(2-x)-0.6*(1-x) = 0
2.6*x-x^2-0.6 = 0
2.6*x-x^2-0.6 = 0
2.6*x-x^2-0.6 = 0
DELTA = 2.6^2-(-1*(-0.6)*4)
DELTA = 2.6^2-2.4
DELTA = 4.36
DELTA > 0
x = ((2.6^2-2.4)^(1/2)-2.6)/(-1*2) or x = (-(2.6^2-2.4)^(1/2)-2.6)/(-1*2)
x = ((2.6^2-2.4)^(1/2)-2.6)/(-2) or x = ((2.6^2-2.4)^(1/2)+2.6)/2
(x-(((2.6^2-2.4)^(1/2)-2.6)/(-2)))*(x-(((2.6^2-2.4)^(1/2)+2.6)/2)) = 0
((x-(((2.6^2-2.4)^(1/2)-2.6)/(-2)))*(x-(((2.6^2-2.4)^(1/2)+2.6)/2)))/(1-x) = 0
((x-(((2.6^2-2.4)^(1/2)-2.6)/(-2)))*(x-(((2.6^2-2.4)^(1/2)+2.6)/2)))/(1-x) = 0 // * 1-x
(x-(((2.6^2-2.4)^(1/2)-2.6)/(-2)))*(x-(((2.6^2-2.4)^(1/2)+2.6)/2)) = 0
( x-(((2.6^2-2.4)^(1/2)+2.6)/2) )
x-(((2.6^2-2.4)^(1/2)+2.6)/2) = 0 // + ((2.6^2-2.4)^(1/2)+2.6)/2
x = ((2.6^2-2.4)^(1/2)+2.6)/2
( x-(((2.6^2-2.4)^(1/2)-2.6)/(-2)) )
x-(((2.6^2-2.4)^(1/2)-2.6)/(-2)) = 0 // + ((2.6^2-2.4)^(1/2)-2.6)/(-2)
x = ((2.6^2-2.4)^(1/2)-2.6)/(-2)
x in { ((2.6^2-2.4)^(1/2)+2.6)/2, ((2.6^2-2.4)^(1/2)-2.6)/(-2) }
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