Latest exam Aptitude Question SOLUTION: Simplify: (3x^2 + 6x - 8) + (-5x^2 - 8x + 4) A) -2x^2 - 14x -12 B) -2x^2 - 2x - 4 C) 3x^2 + 2x + 12 D) 8x^2 + 14x + 12