x+1=56/x

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Solution for x+1=56/x equation: 


D( x )

x = 0

x = 0

x = 0

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

x+1 = 56/x // - 56/x

x-(56/x)+1 = 0

x-56*x^-1+1 = 0

1*x^1-56*x^-1+1*x^0 = 0

(1*x^2+1*x^1-56*x^0)/(x^1) = 0 // * x^2

x^1*(1*x^2+1*x^1-56*x^0) = 0

x^1

x^2+x-56 = 0

x^2+x-56 = 0

DELTA = 1^2-(-56*1*4)

DELTA = 225

DELTA > 0

x = (225^(1/2)-1)/(1*2) or x = (-225^(1/2)-1)/(1*2)

x = 7 or x = -8

x in { -8, 7} 

x in { -8, 7 }

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