SOLUTION: hello. i do not know how to do the following and i would appreciate your help. the question is: Find the domain of the following expression- x-3/x^2+9 (just in case i wrot

Question 698012: hello. i do not know how to do the following and i would appreciate your help.
the question is:
Find the domain of the following expression- x-3/x^2+9
(just in case i wrote that wrong, it is x minus three divided by x^2 plus two).
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
Find the domain of the following expression
- x-3/x^2+9
-(x+3)/(x+3)(x-3)
-1/(x-3)
Domain: (-∞,-3) U (-3, 3) U (3, ∞)
Note: There is a hole at x=-3
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