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D( x )
2*x-1 = 0
2*x-1 = 0
2*x-1 = 0
2*x-1 = 0 // + 1
2*x = 1 // : 2
x = 1/2
x in (-oo:1/2) U (1/2:+oo)
(x*(1-(2*x)))/(2*x-1) = 0.12 // - 0.12
(x*(1-(2*x)))/(2*x-1)-0.12 = 0
(x*(1-2*x))/(2*x-1)-0.12 = 0
(x*(1-2*x))/(2*x-1)+(-0.12*(2*x-1))/(2*x-1) = 0
x*(1-2*x)-0.12*(2*x-1) = 0
0.76*x-2*x^2+0.12 = 0
0.76*x-2*x^2+0.12 = 0
0.76*x-2*x^2+0.12 = 0
DELTA = 0.76^2-(-2*0.12*4)
DELTA = 0.76^2+0.96
DELTA = 1.5376
DELTA > 0
x = ((0.76^2+0.96)^(1/2)-0.76)/(-2*2) or x = (-(0.76^2+0.96)^(1/2)-0.76)/(-2*2)
x = ((0.76^2+0.96)^(1/2)-0.76)/(-4) or x = ((0.76^2+0.96)^(1/2)+0.76)/4
(x-(((0.76^2+0.96)^(1/2)-0.76)/(-4)))*(x-(((0.76^2+0.96)^(1/2)+0.76)/4)) = 0
((x-(((0.76^2+0.96)^(1/2)-0.76)/(-4)))*(x-(((0.76^2+0.96)^(1/2)+0.76)/4)))/(2*x-1) = 0
((x-(((0.76^2+0.96)^(1/2)-0.76)/(-4)))*(x-(((0.76^2+0.96)^(1/2)+0.76)/4)))/(2*x-1) = 0 // * 2*x-1
(x-(((0.76^2+0.96)^(1/2)-0.76)/(-4)))*(x-(((0.76^2+0.96)^(1/2)+0.76)/4)) = 0
( x-(((0.76^2+0.96)^(1/2)+0.76)/4) )
x-(((0.76^2+0.96)^(1/2)+0.76)/4) = 0 // + ((0.76^2+0.96)^(1/2)+0.76)/4
x = ((0.76^2+0.96)^(1/2)+0.76)/4
( x-(((0.76^2+0.96)^(1/2)-0.76)/(-4)) )
x-(((0.76^2+0.96)^(1/2)-0.76)/(-4)) = 0 // + ((0.76^2+0.96)^(1/2)-0.76)/(-4)
x = ((0.76^2+0.96)^(1/2)-0.76)/(-4)
x in { ((0.76^2+0.96)^(1/2)+0.76)/4}
x = ((0.76^2+0.96)^(1/2)-0.76)/(-4)
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