Question 825586
The graph of {{{y = x^2-4x+3/x^2-9}}} looks like this:
{{{graph(400, 400, -10, 10, -10, 10, x^2-4x+3/x^2-9)}}}
P.S. {{{y = x^2-4x+3/x^2-9}}} is what you posted. If you meant something else then put the numerator and denominator of all fraction inside parentheses. For example, if you really meant {{{y = (x^2-4x+3)/(x^2-9)}}} then it should be posted as: y = (x^2-4x+3)/(x^2-9).