amirrahg06 amirrahg06 09-01-2021 Mathematics contestada What is the sum of x2 – 3x + 7 and x2– 5x+9 ? (a) 2x2 – 8x+16 (c) 2x2 – 2x - 2 (b) 2x2 – 2x+16 (d) 2x' + 2x - 2