x+(x+2/x-7)=(5x-26/x-7)

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Solution for x+(x+2/x-7)=(5x-26/x-7) equation: 


D( x )

x = 0

x = 0

x = 0

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

x+x+2/x-7 = 5*x-(26/x)-7 // - 5*x-(26/x)-7

x+x-(5*x)+2/x+26/x-7+7 = 0

x+x-5*x+2/x+26/x-7+7 = 0

28*x^-1-3*x^1 = 0

(28*x^0-3*x^2)/(x^1) = 0 // * x^2

x^1*(28*x^0-3*x^2) = 0

x^1

28-3*x^2 = 0

28-3*x^2 = 0

DELTA = 0^2-(-3*4*28)

DELTA = 336

DELTA > 0

x = (336^(1/2)+0)/(-3*2) or x = (0-336^(1/2))/(-3*2)

x = (-2*21^(1/2))/3 or x = (2*21^(1/2))/3

x in { (-2*21^(1/2))/3, (2*21^(1/2))/3} 

x in { (-2*21^(1/2))/3, (2*21^(1/2))/3 }

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