yanakirk3 yanakirk3 17-10-2022 Mathematics contestada What is the completely factored form of this polynomial? 81x4-16y4 O A. (3x² + 2y²) (9x + 4y)(9x - 4y) B. (9x² + 4y²) (9x² - 4y²) OC. (9x² + 4y²)(3x – 2y)² - OD. (9x² + 4y²)(3x + 2y)(3x - 2y)