2x+11x-5/x+6

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Solution for 2x+11x-5/x+6 equation: 


D( x )

x = 0

x = 0

x = 0

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

2*x+11*x-(5/x)+6 = 0

2*x+11*x-5*x^-1+6 = 0

13*x^1-5*x^-1+6*x^0 = 0

(13*x^2+6*x^1-5*x^0)/(x^1) = 0 // * x^2

x^1*(13*x^2+6*x^1-5*x^0) = 0

x^1

13*x^2+6*x-5 = 0

13*x^2+6*x-5 = 0

DELTA = 6^2-(-5*4*13)

DELTA = 296

DELTA > 0

x = (296^(1/2)-6)/(2*13) or x = (-296^(1/2)-6)/(2*13)

x = (2*74^(1/2)-6)/26 or x = (-2*74^(1/2)-6)/26

x in { (-2*74^(1/2)-6)/26, (2*74^(1/2)-6)/26} 

x in { (-2*74^(1/2)-6)/26, (2*74^(1/2)-6)/26 }

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