Simplify the expression x3−27x2−x−6÷x2+3x+9x2−4\frac{x^3 - 27}{x^2 - x - 6} \div \frac{x^2 + 3x + 9}{x^2 - 4}x2−x−6x3−27÷x2−4x2+3x+9.
(x−3)(x+2)x+3\frac{(x-3)(x+2)}{x+3}x+3(x−3)(x+2)
(x−3)(x−2)x+3\frac{(x-3)(x-2)}{x+3}x+3(x−3)(x−2)
(x+3)(x−2)x+2\frac{(x+3)(x-2)}{x+2}x+2(x+3)(x−2)
(x−3)(x+2)x−3\frac{(x-3)(x+2)}{x-3}x−3(x−3)(x+2)