3/x-5-x/x+8=3x/x^2+13x+40

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Solution for 3/x-5-x/x+8=3x/x^2+13x+40 equation: 


D( x )

x = 0

x^2 = 0

x = 0

x = 0

x^2 = 0

x^2 = 0

1*x^2 = 0 // : 1

x^2 = 0

x = 0

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

3/x-(x/x)-5+8 = 13*x+(3*x)/(x^2)+40 // - 13*x+(3*x)/(x^2)+40

3/x-(13*x)-((3*x)/(x^2))-(x/x)-40-5+8 = 0

3/x-13*x-3*x^-1-40-5-1+8 = 0

-13*x-38 = 0 // + 38

-13*x = 38 // : -13

x = 38/(-13)

x = -38/13

x = -38/13

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