x+36/x=12

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Solution for x+36/x=12 equation: 


D( x )

x = 0

x = 0

x = 0

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

x+36/x = 12 // - 12

x+36/x-12 = 0

1*x^1+36*x^-1-12*x^0 = 0

(1*x^2-12*x^1+36*x^0)/(x^1) = 0 // * x^2

x^1*(1*x^2-12*x^1+36*x^0) = 0

x^1

x^2-12*x+36 = 0

x^2-12*x+36 = 0

DELTA = (-12)^2-(1*4*36)

DELTA = 0

x = 12/(1*2)

x = 6 or x = 6

x in { 6, 6} 

x in { 6, 6 }

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