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D( x )
x^2+27*x+1 = 0
x^2+27*x+1 = 0
x^2+27*x+1 = 0
x^2+27*x+1 = 0
DELTA = 27^2-(1*1*4)
DELTA = 725
DELTA > 0
x = (725^(1/2)-27)/(1*2) or x = (-725^(1/2)-27)/(1*2)
x = (5*29^(1/2)-27)/2 or x = (-5*29^(1/2)-27)/2
x in (-oo:(-5*29^(1/2)-27)/2) U ((-5*29^(1/2)-27)/2:(5*29^(1/2)-27)/2) U ((5*29^(1/2)-27)/2:+oo)
5/(x^2+27*x+1) = 0
x^2+27*x+1 = 0
x^2+27*x+1 = 0
DELTA = 27^2-(1*1*4)
DELTA = 725
DELTA > 0
x = (725^(1/2)-27)/(1*2) or x = (-725^(1/2)-27)/(1*2)
x = (5*29^(1/2)-27)/2 or x = (-5*29^(1/2)-27)/2
(x-((-5*29^(1/2)-27)/2))*(x-((5*29^(1/2)-27)/2)) = 0
5/((x-((-5*29^(1/2)-27)/2))*(x-((5*29^(1/2)-27)/2))) = 0
x belongs to the empty set
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