What is the factored form of 9x² – 64?

(1 point)
Responses

(3x – 8)²
(3 x – 8)²

(3x + 8)²
(3 x + 8)²

(3x – 8)(3x + 8)
(3 x – 8)(3 x + 8)

(9x – 8)(x + 8)

(3x + 8)(3x - 8)