-2=x-(24/x)

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Solution for -2=x-(24/x) equation: 


D( x )

x = 0

x = 0

x = 0

x in (-oo:0) U (0:+oo)

-2 = x-(24/x) // - x-(24/x)

24/x-x-2 = 0

24*x^-1-1*x^1-2*x^0 = 0

(24*x^0-1*x^2-2*x^1)/(x^1) = 0 // * x^2

x^1*(24*x^0-1*x^2-2*x^1) = 0

x^1

24-x^2-2*x = 0

24-x^2-2*x = 0

DELTA = (-2)^2-(-1*4*24)

DELTA = 100

DELTA > 0

x = (100^(1/2)+2)/(-1*2) or x = (2-100^(1/2))/(-1*2)

x = -6 or x = 4

x in { -6, 4} 

x in { -6, 4 }

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