Tyreeblaire Tyreeblaire 14-02-2024 Mathematics contestada If A = 2x - 7x^{2} 3 and B = 4x^{2} - 12x, what is A + B? A: -3x^{2} 10x 3 B: 3x^{2} - 10x 3 C: -3x^{2} - 10x 3 D: 6x^{2} - 7x - 9