x=(27/5)-(2/x)

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Solution for x=(27/5)-(2/x) equation: 


D( x )

x = 0

x = 0

x = 0

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

x = 27/5-(2/x) // - 27/5-(2/x)

x+2/x-(27/5) = 0

x+2/x-27/5 = 0

1*x^1+2*x^-1-27/5*x^0 = 0

(1*x^2-27/5*x^1+2*x^0)/(x^1) = 0 // * x^2

x^1*(1*x^2-27/5*x^1+2*x^0) = 0

x^1

x^2+(-27/5)*x+2 = 0

x^2+(-27/5)*x+2 = 0

DELTA = (-27/5)^2-(1*2*4)

DELTA = 529/25

DELTA > 0

x = ((529/25)^(1/2)-(-27/5))/(1*2) or x = (-(-27/5)-(529/25)^(1/2))/(1*2)

x = 5 or x = 2/5

x in { 2/5, 5} 

x in { 2/5, 5 }

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