3x/x+2-x/x-2+8/x2-4

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Solution for 3x/x+2-x/x-2+8/x2-4 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)

8/(x^2)-(x/x)+(3*x)/x-4-2+2 = 0

8/(x^2)+(3*x)/x-(x/x)-4-2+2 = 0

8/(x^2)+(3*x)/x-4-2-1+2 = 0

8*x^-2 = 2 // : 8

x^-2 = 1/4

-2 < 0

1/(x^2) = 1/4 // * x^2

1 = 1/4*x^2 // : 1/4

4 = x^2

x^2 = 4 // ^ 1/2

abs(x) = 2

x = 2 or x = -2

x in { 2, -2 }

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