(8-x)/(x^2-64)

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Solution for (8-x)/(x^2-64) equation: 


D( x )

x^2-64 = 0

x^2-64 = 0

x^2-64 = 0

1*x^2 = 64 // : 1

x^2 = 64

x^2 = 64 // ^ 1/2

abs(x) = 8

x = 8 or x = -8

x in (-oo:-8) U (-8:8) U (8:+oo)

(8-x)/(x^2-64) = 0

8-x = 0 // - 8

-x = -8 // * -1

x = 8

x in { 8} 

x belongs to the empty set

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