nicolefaison30 nicolefaison30 26-08-2022 Mathematics Answered opy of] Add/Subtract Polynomials / + T 3x² - 4x+6 9x² + 2x+1 Multiple Choice X What must be added to 3x² - 4x + 6 to get a sum of 9x²+2x+1? 6x² +6x-5 6x² +6x+5 6x²-2x+5 12x²2²-2x+7 < 14 of 15 Aug 26 Ne: 1:21