Simplify: 2x2−18x2−x−6\frac{2x^2 - 18}{x^2 - x - 6}x2−x−62x2−18 (assume x≠3,−2x \neq 3, -2x=3,−2).
2(x+3)x+2\frac{2(x+3)}{x+2}x+22(x+3)
2(x−3)x+2\frac{2(x-3)}{x+2}x+22(x−3)
2xx−3\frac{2x}{x-3}x−32x
2(x+3)x−3\frac{2(x+3)}{x-3}x−32(x+3)