(5x-7)/x=x

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


D( x )

x = 0

x = 0

x = 0

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

(5*x-7)/x = x // - x

(5*x-7)/x-x = 0

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

5*x-x*x-7 = 0

5*x-x^2-7 = 0

5*x-x^2-7 = 0

5*x-x^2-7 = 0

DELTA = 5^2-(-7*(-1)*4)

DELTA = -3

DELTA < 0

1 = 0

1/x = 0

1/x = 0 // * x

1 = 0

1 = 0

x belongs to the empty set

x belongs to the empty set

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