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D( x )
4*x+2 = 0
2*x-1 = 0
4*x+2 = 0
4*x+2 = 0
4*x+2 = 0 // - 2
4*x = -2 // : 4
x = -2/4
x = -1/2
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 (-1/2:1/2) U (1/2:+oo)
1/(4*x+2)+1/(2*x-1) = 2 // - 2
1/(4*x+2)+1/(2*x-1)-2 = 0
(1*(2*x-1))/((4*x+2)*(2*x-1))+(1*(4*x+2))/((4*x+2)*(2*x-1))+(-2*(4*x+2)*(2*x-1))/((4*x+2)*(2*x-1)) = 0
1*(2*x-1)+1*(4*x+2)-2*(4*x+2)*(2*x-1) = 0
6*x-16*x^2+1+4 = 0
6*x-16*x^2+5 = 0
6*x-16*x^2+5 = 0
6*x-16*x^2+5 = 0
DELTA = 6^2-(-16*4*5)
DELTA = 356
DELTA > 0
x = (356^(1/2)-6)/(-16*2) or x = (-356^(1/2)-6)/(-16*2)
x = (2*89^(1/2)-6)/(-32) or x = (-2*89^(1/2)-6)/(-32)
(x-((2*89^(1/2)-6)/(-32)))*(x-((-2*89^(1/2)-6)/(-32))) = 0
((x-((2*89^(1/2)-6)/(-32)))*(x-((-2*89^(1/2)-6)/(-32))))/((4*x+2)*(2*x-1)) = 0
((x-((2*89^(1/2)-6)/(-32)))*(x-((-2*89^(1/2)-6)/(-32))))/((4*x+2)*(2*x-1)) = 0 // * (4*x+2)*(2*x-1)
(x-((2*89^(1/2)-6)/(-32)))*(x-((-2*89^(1/2)-6)/(-32))) = 0
( x-((-2*89^(1/2)-6)/(-32)) )
x-((-2*89^(1/2)-6)/(-32)) = 0 // + (-2*89^(1/2)-6)/(-32)
x = (-2*89^(1/2)-6)/(-32)
( x-((2*89^(1/2)-6)/(-32)) )
x-((2*89^(1/2)-6)/(-32)) = 0 // + (2*89^(1/2)-6)/(-32)
x = (2*89^(1/2)-6)/(-32)
x in { (-2*89^(1/2)-6)/(-32), (2*89^(1/2)-6)/(-32) }
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