What Is the Domain of the Function (x+9)/(x^2-144)?

[krzyeghts8888]

(1 pt) The domain of the function

(x+9)/(x^2 -144)

domain must be in interval notation

 

[ritwik06]

(1 pt) The domain of the function

(x+9)/(x^2 -144)

domain must be in interval notation

This a rational function. The domain will be all real numbers except for where the rational expression in 'x' is undefined. Find it out where the expression is undefined and from next time, please show some of your attempts.
Good Luck and accept a hearty welcome :)
Ritwik