Respuesta :

Hope this helps you if not let me know
Ver imagen 21pil0ts134
Answer:
(x + 11)(x - 11)

Explanation:
Step 1 - Write the equation in a^2 - b^2 formula

x^2 - 121
x^2 - 11^2

Step 2 - Factor the expression

x^2 - 11^2
(x + 11)(x - 11)