Question

(3×+2y)^2 - (9×-4y)^2 simplify it fast line by line explanation plss tell me the ans I will mark u as a brain list

Answer 1

Answer:

hope it will help

Step-by-step explanation:

(3x+2y)² - (9x-4y)²

9x²+12xy+4y²-81x²+72xy-16y²

-72x²+84xy-12y²

-72x²+72xy+12xy-12y²

-72x(x+y) + 12y(x+y)

(x+y) (12y-72x)