(X^2-x-6)/(x^2-4)

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Solution for (X^2-x-6)/(x^2-4) equation: 


D( x )

x^2-4 = 0

x^2-4 = 0

x^2-4 = 0

1*x^2 = 4 // : 1

x^2 = 4

x^2 = 4 // ^ 1/2

abs(x) = 2

x = 2 or x = -2

x in (-oo:-2) U (-2:2) U (2:+oo)

(X^2-x-6)/(x^2-4) = 0

X^2-x-6 = 0 // - X^2-6

-x = -(X^2-6) // * -1

x = X^2-6

x = X^2-6

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