DeaTutto DeaTutto 05-06-2021 Mathematics contestada PLEASE HELP simplify each polynomial. 2x2 + 8 – 4x + 3x – 6x2 + 7 A. –8x2 – 7x + 15 B. –4x2 – x + 15 C. 4x2 + x + 15 D. 8x2 + 7x + 15