palata22 palata22 04-01-2023 Mathematics contestada pls help!!! Add. 7x²-5x+3 + 2x² +7x-8 O A. 9x²+2x+11 OB. 9x²+2x-5 OC. 9x² + 12x-5 OD. 9x² - 2x + 5