Seudónimo Seudónimo 11-02-2019 Mathematics contestada PLEASE HELP WILL MARK AS BRAINIEST!!!!!!!!!! Add or subtract. (2x2 + 6x + 1) + (–7x2 + 2x – 3) A. 5x2 – 4x – 2 B. –5x2 + 8x – 2 C. 5x2 – 8x + 2 D. –9x2 – 8x + 2