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## Main Question or Discussion Point

Here is the fraction that I don't know how to combine and simplify, please help me out! Thanks! =]

[tex]\frac{5}{a} + \frac{4}{2a-6} + \frac {-4a}{a^{2}-9}[/tex]

I found the common denominator I think: (x+3)(x-3) .. but how do you make {a} in that form?

[tex]\frac{5}{a} + \frac{4}{2a-6} + \frac {-4a}{a^{2}-9}[/tex]

I found the common denominator I think: (x+3)(x-3) .. but how do you make {a} in that form?