3x/x-4-12/x-4

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Solution for 3x/x-4-12/x-4 equation: 


D( x )

x = 0

x = 0

x = 0

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

(3*x)/x-(12/x)-4-4 = 0

(3*x)/x-12*x^-1-4-4 = 0

-12*x^-1 = 5 // : -12

x^-1 = -5/12

-1 < 0

1/(x^1) = -5/12 // * x^1

1 = -5/12*x^1 // : -5/12

-12/5 = x^1

x = -12/5

x = -12/5

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