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D( x )
x^2-(16*x)-58 = 0
x^2-(16*x)-58 = 0
x^2-(16*x)-58 = 0
x^2-16*x-58 = 0
x^2-16*x-58 = 0
DELTA = (-16)^2-(-58*1*4)
DELTA = 488
DELTA > 0
x = (488^(1/2)+16)/(1*2) or x = (16-488^(1/2))/(1*2)
x = (2*122^(1/2)+16)/2 or x = (16-2*122^(1/2))/2
x in (-oo:(16-2*122^(1/2))/2) U ((16-2*122^(1/2))/2:(2*122^(1/2)+16)/2) U ((2*122^(1/2)+16)/2:+oo)
(X-5)/(x^2-(16*x)-58) = 0
(X-5)/(x^2-16*x-58) = 0
x^2-16*x-58 = 0
x^2-16*x-58 = 0
DELTA = (-16)^2-(-58*1*4)
DELTA = 488
DELTA > 0
x = (488^(1/2)+16)/(1*2) or x = (16-488^(1/2))/(1*2)
x = (2*122^(1/2)+16)/2 or x = (16-2*122^(1/2))/2
(x-((16-2*122^(1/2))/2))*(x-((2*122^(1/2)+16)/2)) = 0
(X-5)/((x-((16-2*122^(1/2))/2))*(x-((2*122^(1/2)+16)/2))) = 0
x belongs to the empty set
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