SOLUTION: I need to find the domain of this function if you can help f(x)=x^2-81/x^2-8x+15

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Question 172557: I need to find the domain of this function if you can help
f(x)=x^2-81/x^2-8x+15
Answer by Mathtut(3670) About Me  (Show Source):
You can put this solution on YOUR website!
x is undefined if x%5E2-8x%2B15=zero
:
x%5E2-8x%2B15=0
:
%28x-3%29%28x-5%29=0

the domain is all real numbers excluding system%28x=3%2Cx=5%29