SOLUTION: x+5/x^2-36 find the domain

Question 567296: x+5/x^2-36
find the domain
Answer by nerdybill(7384) (Show Source): You can put this solution on YOUR website!

The "domain" specifies all valid values of x.
In this case, if the denominator is zero, the expression is undefined.
This means that x can take be any value EXCEPT when:
x^2-36 = 0
x^2 = 36
x = +-6
.
Therefore the domain is:
(-oo, -6) U (-6, 6) U (6, +oo)
where
oo represents infinity

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