Question

What is the factored form of x6 - 9?

Answer 1

Answer:

D

Step-by-step explanation:

$x^{6}$ - 9 ← is a difference of squares and factors in general as

a² - b² = (a + b)(a - b)

Given

$x^{6}$ - 9

= (x³ )² - 3²

= (x³ + 3)(x³ - 3) → D