Simplify: −(x2−3x+2)-(x^2 - 3x + 2)−(x2−3x+2).
−x2+3x−2-x^2 + 3x - 2−x2+3x−2
−x2−3x+2-x^2 - 3x + 2−x2−3x+2
x2−3x+2x^2 - 3x + 2x2−3x+2
−x2+3x+2-x^2 + 3x + 2−x2+3x+2