Respuesta :

Answer:

121x^2 - 64y^2

Step-by-step explanation:

The format a^2 - b^2

Equals (a+b) (a-b)

So 11^2 x^2 - 8^2 y^2

121x^2 - 64x^2

(11x+ 8x) (11x - 8y)