If one of the factor of x2 + x – 20 is (x + 5). Find the other May 1, 2021 – by admin Question: If one of the factor of x2 + x – 20 is (x + 5). Find the other A. x – 4 B. x + 2 C. x + 4 D. x – 5 Answer» a. x – 4 Note: The above multiple-choice question is for all general and Competitive Exams in India.