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D( x )
0.125-x = 0
0.125-x = 0
0.125-x = 0
0.125-x = 0 // - 0.125
-x = -0.125 // * -1
x = 0.125
x in (-oo:0.125) U (0.125:+oo)
(x*x)/(0.125-x) = 0.00014 // - 0.00014
(x*x)/(0.125-x)-0.00014 = 0
(x^2)/(0.125-x)-0.00014 = 0
(x^2)/(0.125-x)+(-0.00014*(0.125-x))/(0.125-x) = 0
x^2-0.00014*(0.125-x) = 0
x^2+0.00014*x-0.0000175 = 0
x^2+0.00014*x-0.0000175 = 0
x^2+0.00014*x-0.0000175 = 0
DELTA = 0.00014^2-(-0.0000175*1*4)
DELTA = 0.00014^2+0.00007
DELTA = 0.00007002
DELTA > 0
x = ((0.00014^2+0.00007)^(1/2)-0.00014)/(1*2) or x = (-(0.00014^2+0.00007)^(1/2)-0.00014)/(1*2)
x = ((0.00014^2+0.00007)^(1/2)-0.00014)/2 or x = (-((0.00014^2+0.00007)^(1/2)+0.00014))/2
(x+((0.00014^2+0.00007)^(1/2)+0.00014)/2)*(x-(((0.00014^2+0.00007)^(1/2)-0.00014)/2)) = 0
((x+((0.00014^2+0.00007)^(1/2)+0.00014)/2)*(x-(((0.00014^2+0.00007)^(1/2)-0.00014)/2)))/(0.125-x) = 0
((x+((0.00014^2+0.00007)^(1/2)+0.00014)/2)*(x-(((0.00014^2+0.00007)^(1/2)-0.00014)/2)))/(0.125-x) = 0 // * 0.125-x
(x+((0.00014^2+0.00007)^(1/2)+0.00014)/2)*(x-(((0.00014^2+0.00007)^(1/2)-0.00014)/2)) = 0
( x+((0.00014^2+0.00007)^(1/2)+0.00014)/2 )
x+((0.00014^2+0.00007)^(1/2)+0.00014)/2 = 0 // - ((0.00014^2+0.00007)^(1/2)+0.00014)/2
x = -(((0.00014^2+0.00007)^(1/2)+0.00014)/2)
( x-(((0.00014^2+0.00007)^(1/2)-0.00014)/2) )
x-(((0.00014^2+0.00007)^(1/2)-0.00014)/2) = 0 // + ((0.00014^2+0.00007)^(1/2)-0.00014)/2
x = ((0.00014^2+0.00007)^(1/2)-0.00014)/2
x in { -(((0.00014^2+0.00007)^(1/2)+0.00014)/2), ((0.00014^2+0.00007)^(1/2)-0.00014)/2 }
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