What is the limit of (x2+5x+6)(x−1)(x+3)(x2−1)\dfrac{(x^2+5x+6)(x-1)}{(x+3)(x^2-1)}(x+3)(x2−1)(x2+5x+6)(x−1) as x→∞x\to\inftyx→∞? A000B111C−1-1−1D222E−2-2−2F∞\infty∞G−∞-\infty−∞HUndefined