what is the factored form of x6 – 9?
(x 3)(x – 3)
(x5 3)(x – 3)
(x3 3)(x2 – 3)
(x3 3)(x3 – 3)
(x 3)(x – 3)
(x5 3)(x – 3)
(x3 3)(x2 – 3)
(x3 3)(x3 – 3)