Respuesta :

Answer:

B

Step-by-step explanation:

X^2  3*3=9

X^2 2*2=4

Hope this helps. I've done something like this before. (: Good luck

Answer:

B: x^2-9/x^2-4

Step-by-step explanation:

numerator:

(x+3)(x-3) = x^2-3x+3x-9 = x^2 - 9

denominator:

(x+2)(x-2) = x^2-2x+2x-4 = x^2 - 4

final answer:

x^2-9 /x^2-4