8b4mjsjbw7 8b4mjsjbw7 25-05-2021 Mathematics contestada Simplify: (-2x - 3) – (3x2 – 8x + 9). Choose the standard form of the answer. A. -3x2 - 6x – 12 B. -3x2 - 9x + 12 C. -3x2 + 6x – 12 D. -3x2 - 6x + 12