(3/x-1)+(2x/5)

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Solution for (3/x-1)+(2x/5) equation: 


D( x )

x = 0

x = 0

x = 0

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

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

2/5*x^1+3*x^-1-1*x^0 = 0

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

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

x^1

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

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

DELTA = (-1)^2-(3*4*(2/5))

DELTA = -19/5

DELTA < 0

x in { } 

x belongs to the empty set

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