Simplify dfracx2−380x−19\\dfrac{x^2 - 380}{x - 19}dfracx2−380x−19 for xneq19x \\neq 19xneq19
x−20x - 20x−20
x−19x - 19x−19
x+20x + 20x+20
x+19x + 19x+19