noone2513 noone2513 06-10-2020 Mathematics contestada What is the sum of the expression shown below? (x + 5) + (x² − 6x + 20) Select one: A. x2 − 5x + 25 B. 2x2 + 9x − 15 C. x2 + 6x + 15 D. 3x2 + 4x + 25