Answer:
A. (x + 2)²(x - 2)²
Explanation:
x⁴ - 8x² + 16 =
(x² - 4)(x² - 4) =
(x - 2)(x + 2)(x - 2)(x + 2) =
(x - 2)²(x + 2)²
8.2m questions
10.9m answers