Simplify dfracx2−12x−3\\dfrac{x^2 - 12}{x - 3}dfracx2−12x−3 for xneq3x \\neq 3xneq3
x−3x - 3x−3
x−4x - 4x−4
x+3x + 3x+3
x+4x + 4x+4