Question

Factorise : 25x²-30xy+9y²-121

Answer 1

Answer:

Step-by-step explanation:

Since both terms are perfect squares, factor using the difference of squares formula,

(a^2)-(b^2) = (a+b)(a-b)

⇒ (5x-3y-11)(5x-3y+11) = 25x²-30xy+9y²-121

Hope it helps!!!

Answer 2

Answer:

Factorise:- 25x² - 30xy + 9y² - 121

Step-by-step explanation:

Factorise:- 25x² - Factorise:- 25x² - 30xy + 9y² - 121 + 9y² - 121