Question

Factorise-) 64x^2 - 121y^2.​

Answer 1

Answer:

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

Step-by-step explanation:

64x²-121y²

(8x)² - (11y)² [a²-b²=(a+b) (a-b)]

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

Please mark me as brainliest.

hope it helped you.

Answer 2

Answer:

$I \: \: referred \: \: this \: \: formula \\ {a}^{2} - {b}^{2} = (a + b)(a - b)$

Step-by-step explanation:

$64 {x}^{2} - 121 {y}^{2} \\ = {(8x)}^{2} - {(11y)}^{2} \\ = (8x + 11y)(8x - 11y)$