SOLUTION: Please help me slove this question, I don't understand how to solve and graph it {{{x^2-y^2=4}}}

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Question 286814: Please help me slove this question, I don't understand how to solve and graph it x%5E2-y%5E2=4
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
I haven't "sloved" anything in a long time. It brings back memories.
x^2-y^2=4
(x-y)*(x+y)=4
It can't be solved since there are two variables (unknowns) and only one equation.
if y=0 then x=2 and x=-2
the graph is a hyperbola.