Question

factorise 9x² - 121y²​

Answer 1

Answer:

(3x)²-(11y)²

(3x-11y)(3x+11y)

Here's your answer..

Hope it helps you..

Mark as Brainliest...

Answer 2

Answer:

(3x-11y)(3x+11y)

Step-by-step explanation:

9x²–11y²= (3x)² — (11y)²

= (3x-11y)(3x+11y). [.'., a²-b²=(a-b)(a+b)]