Latest exam Aptitude Question SOLUTION: What is the sum of (3.1x^2-3.2x-5.2), (7.7x^2-3.2x+16.5), and (x^2+7.9x+8.7)? Answer Choices: A) 4.6x^2+17.3x+30.4 B) 11.8x^2+10.9x+20 C) 11.8x^2+17.3x+20 D) 10.8x^