A2x²-11x-39B-2x²+11x+39C-2x²+11x-39D2x²+11x-39Answer: C. -2x²+11x-39 Read Explanation: x2+5x−12−3(x2−2x+9)x^2+5x-12-3(x^2-2x+9)x2+5x−12−3(x2−2x+9)x2+5x−12−3x2+6x−27x^2+5x-12-3x^2+6x-27x2+5x−12−3x2+6x−27−2x2+11x−39-2x^2+11x-39−2x2+11x−39 Read more in App