Simplify dfracx2−306x−17\\dfrac{x^2 - 306}{x - 17}dfracx2−306x−17 for xneq17x \\neq 17xneq17
x+17x + 17x+17
x−17x - 17x−17
x−18x - 18x−18
x+18x + 18x+18