rositajuan0745 rositajuan0745 09-11-2022 Mathematics Answered What is the sum of (x - 8x² - 15) and (2 + 12x - 3x²)? A -5x² - 11x - 17 B -112² + 13x - 13 C 11r2 + 11x - 17 D 2x² + 4x - 18