What is the common denominator
A
B
C
D

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]