Hey, everyone. I need some help with dividing radicals. Here are a couple questions that I can't get the right answer to. If you can, please tell me how it's done.

1) $\displaystyle \frac{(-3\sqrt{6})(-2\sqrt{24})}{-\sqrt{18}}

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2) $\displaystyle \frac{\sqrt{a}}{1 + \sqrt{a}}$