point discontinuity of f(x) = x^2 - 64 over x + 8x = -8

[itsmelana]

What is the point discontinuity of?
f (x) = x^2 - 64
over x + 8x=-8

I got:
x = -8

 

[skeeter]

Re: Can you check for me, please?

f(x) = x[sup:253zk43h]2[/sup:253zk43h] - 64 over what?

x + 8x = -8 is an equation

???