Simplify x2−9x+3\frac{x^2 - 9}{x + 3}x+3x2−9, where x≠−3x \neq -3x=−3.
x−3x - 3x−3
x+3x + 3x+3
x−3x+3\frac{x - 3}{x + 3}x+3x−3
1x−3\frac{1}{x - 3}x−31