x-5/x+3*2x+6/5x-25

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Solution for x-5/x+3*2x+6/5x-25 equation: 


D( x )

x = 0

x = 0

x = 0

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

x+2*3*x+(6/5)*x-(5/x)-25 = 0

x+2*3*x+(6/5)*x-5*x^-1-25 = 0

41/5*x^1-5*x^-1-25*x^0 = 0

(41/5*x^2-25*x^1-5*x^0)/(x^1) = 0 // * x^2

x^1*(41/5*x^2-25*x^1-5*x^0) = 0

x^1

(41/5)*x^2-25*x-5 = 0

(41/5)*x^2-25*x-5 = 0

DELTA = (-25)^2-(-5*4*(41/5))

DELTA = 789

DELTA > 0

x = (789^(1/2)+25)/(2*(41/5)) or x = (25-789^(1/2))/(2*(41/5))

x = 5/82*(789^(1/2)+25) or x = 5/82*(25-789^(1/2))

x in { 5/82*(25-789^(1/2)), 5/82*(789^(1/2)+25)} 

x in { 5/82*(25-789^(1/2)), 5/82*(789^(1/2)+25) }

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