Respuesta :

Answer:

9-16y

Step-by-step explanation:

Answer:

  • (3 + 2y)(3 - 2y)

Step-by-step explanation:

Use formula:

  • a² - b² = (a + b)(a - b)

Factor:

  • 9 - 4y² =
  • 3² - (2y)² =
  • (3 + 2y)(3 - 2y)
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