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D( x )
x+1 = 0
x+1 = 0
x+1 = 0
x+1 = 0 // - 1
x = -1
x in (-oo:-1) U (-1:+oo)
3/(x+1)+(x-2)/2 = (x-2)/(x+1) // - (x-2)/(x+1)
3/(x+1)+(x-2)/2-((x-2)/(x+1)) = 0
3/(x+1)+(x-2)/2+(-1*(x-2))/(x+1) = 0
(2*3)/(2*(x+1))+((x-2)*(x+1))/(2*(x+1))+(-1*2*(x-2))/(2*(x+1)) = 0
(x-2)*(x+1)-1*2*(x-2)+2*3 = 0
x^2-x-2*x+4+4 = 0
x^2-3*x+8 = 0
x^2-3*x+8 = 0
x^2-3*x+8 = 0
DELTA = (-3)^2-(1*4*8)
DELTA = -23
DELTA < 0
1 = 0
1/(2*(x+1)) = 0
1/(2*(x+1)) = 0 // * 2*(x+1)
1 = 0
x belongs to the empty set
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