Respuesta :

9514 1404 393

Answer:

  (9x -4)/(x^2 -4)

Step-by-step explanation:

Perhaps you intend the sum ...

  7x/(x^2 -4) +2/(x +2)

  [tex]=\dfrac{7x}{(x+2)(x-2)}+\dfrac{2}{x+2}=\dfrac{7x+2(x-2)}{(x+2)(x-2)}\\\\=\boxed{\dfrac{9x-4}{x^2-4}}[/tex]