Dvrsug8415 Dvrsug8415 22-02-2024 Mathematics contestada Subtract 9x² - 49x² + 10x² + 9x - 810x² - 9x - 8 a. -761x² - 18x - 8 b. -749x² + 18x + 8 c. -769x² - 18x + 8 d. -761x² + 18x + 8