8/x-6=2x

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Solution for 8/x-6=2x equation: 


D( x )

x = 0

x = 0

x = 0

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

8/x-6 = 2*x // - 2*x

8/x-(2*x)-6 = 0

8/x-2*x-6 = 0

8*x^-1-2*x^1-6*x^0 = 0

(8*x^0-2*x^2-6*x^1)/(x^1) = 0 // * x^2

x^1*(8*x^0-2*x^2-6*x^1) = 0

x^1

8-2*x^2-6*x = 0

8-2*x^2-6*x = 0

DELTA = (-6)^2-(-2*4*8)

DELTA = 100

DELTA > 0

x = (100^(1/2)+6)/(-2*2) or x = (6-100^(1/2))/(-2*2)

x = -4 or x = 1

x in { -4, 1} 

x in { -4, 1 }

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