Question

What do I multiply each fraction to give me the common denominator?
-3x/x^2-9 + 4/2x-6

Answer 1

\[\frac{ -3x }{ x ^{2}-9 } + \frac{ 4 }{ 2x-6 }\]

Answer 2

Factor it so the bottom looks like this

(x+3)(x-3) and 2(x-3)

and then multiply the left by two and the right by (x+3)

And theres your common denominator
Its 2(x+3)(x-3)

Answer 3

Thank you!