If the roots of a quadratic equation are 20 and -7, then find the equation? December 31, 2021December 31, 2021 administrator A. x2 + 13x – 140 = 0B. x2 – 13x + 140 = 0C. x2 – 13x – 140 = 0D. x2 + 13x + 140 = 0Check AnswerC. x2 – 13x – 140 = 0 Share the PostRelated Posts:Find the roots of quadratic equation: 3x2 – 7x – 6 = 0?Find the roots of the quadratic equation: 2×2 + 3x – 9 = 0?Find the roots of quadratic equation: x2 + x – 42 = 0?If a and b are the roots of the equation x2 – 9x +…One root of the quadratic equation x2 – 12x + a = 0,…A can do a certain work in the same time in which B…