4x+1/x-5-3x-4/x-5

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Solution for 4x+1/x-5-3x-4/x-5 equation: 


D( x )

x = 0

x = 0

x = 0

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

4*x-(3*x)+1/x-(4/x)-5-5 = 0

4*x-3*x+1/x-4*x^-1-5-5 = 0

1*x^1-3*x^-1-10*x^0 = 0

(1*x^2-10*x^1-3*x^0)/(x^1) = 0 // * x^2

x^1*(1*x^2-10*x^1-3*x^0) = 0

x^1

x^2-10*x-3 = 0

x^2-10*x-3 = 0

DELTA = (-10)^2-(-3*1*4)

DELTA = 112

DELTA > 0

x = (112^(1/2)+10)/(1*2) or x = (10-112^(1/2))/(1*2)

x = (4*7^(1/2)+10)/2 or x = (10-4*7^(1/2))/2

x in { (10-4*7^(1/2))/2, (4*7^(1/2)+10)/2} 

x in { (10-4*7^(1/2))/2, (4*7^(1/2)+10)/2 }

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