cchhloe cchhloe 16-03-2021 Mathematics contestada Simplify the expression below (2x^2-5x+6) + (5x^2-3x+ 4) A. 7x^2-8x+10 B. 7x^2-2x+10 C. 7x^2-8x+2 D. 7x^2-2x+2