SOLUTION: Determine the values of the variable that make x+2/x^2-9 defined.

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Question 1057213: Determine the values of the variable that make x+2/x^2-9 defined.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
All real values except ones that make the denominator equal zero since division by zero is undefined.
x%5E2-9=0
%28x-3%29%28x%2B3%29=0
Two solutions:
x-3=0
x=3
and
x%2B3=0
x=-3
So all real values except x=-3 and x=3.