deon36839 deon36839 30-01-2024 Mathematics contestada Subtract the following polynomials. OA. 24x² + 5x + 9 OB. 8x² + 5x + 9 OC. 24x² D. 8x² - - 21x + 9 21x + 9 (16x² − 5x + 9 – 3x) − (−x² + 13x + 9x²)