Respuesta :

Answer:

4c^2 - 16c + 16c - 64

4c^2 - 64

Step-by-step explanation:

Answer:

= 4c² - 64

Step-by-step explanation:

(2c + 8)(2c – 8)

= 4c² - 16c + 16c - 64

= 4c² - 64