vaughnk1988 vaughnk1988 19-03-2024 Mathematics contestada Add and write in standard form: 5 (3x² - 4x³ +7x) + (−3x5 +5x+6x² - 2) 9x27x5+12x - 2 A О B ○ -7x10 +9x4 +12x² - 2 C D -7x5+9x2+12x - 2 12x5 +18x2 + 35x - 2