What is the domain of y= 5x+7/x^2-4

What is the domain of the function f(x)=(5x+7)/(x^2-4)
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The domain (values of x that are valid to define the result of applying the function) is restricted, because x^2-4 is zero when x=2 or -2, and it's not permissible to divide by zero. The domain is limited to all values apart from these.

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