Simplify: fracx2−9x+3\\frac{x^2 - 9}{x + 3}fracx2−9x+3 (assume xneq−3x \\neq -3xneq−3).
x−3x - 3x−3
x+3x + 3x+3
x2−3x^2 - 3x2−3
x−9x - 9x−9