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D( x )
x = 0
x = 0
x = 0
x in (-oo:0) U (0:+oo)
5/x = x-24 // - x-24
5/x-x+24 = 0
5*x^-1-1*x^1+24*x^0 = 0
(24*x^1-1*x^2+5*x^0)/(x^1) = 0 // * x^2
x^1*(24*x^1-1*x^2+5*x^0) = 0
x^1
24*x-x^2+5 = 0
24*x-x^2+5 = 0
DELTA = 24^2-(-1*4*5)
DELTA = 596
DELTA > 0
x = (596^(1/2)-24)/(-1*2) or x = (-596^(1/2)-24)/(-1*2)
x = (2*149^(1/2)-24)/(-2) or x = (-2*149^(1/2)-24)/(-2)
x in { (2*149^(1/2)-24)/(-2), (-2*149^(1/2)-24)/(-2)}
x in { (2*149^(1/2)-24)/(-2), (-2*149^(1/2)-24)/(-2) }
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