Respuesta :

  • Answer:

(2a - 3x - 3y)(2a + 3x + 3y)

  • Step-by-step explanation:

Hi there !

use formula

a² - b² = (a - b)(a + b)

a = 2a

b = 3(x + y)

4a² - 9(x+y)² =

= [2a - 3(x + y)][2a + 3(x + y)]

= (2a - 3x - 3y)(2a + 3x + 3y)

Good luck !

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