Respuesta :

Answer:

A. [tex](x+2)(x-2)[/tex]

Step-by-step explanation:

Denominator of the first fraction

[tex]x^2-4[/tex]

Factor using difference of two squares;

 [tex]x^2-2^2=(x+2)(x-2)[/tex]

Denominator of the second fraction

[tex]x+2[/tex]

The common denominator is the LCM of

[tex](x+2)(x-2)[/tex]  and [tex](x+2)[/tex]

Which is  [tex](x+2)(x-2)[/tex]