QuestionSubtract. Write your answer in simplest form. $$-\sqrt{28}-8 \sqrt{7}$$

Studdy Solution
Combine the like terms $-2\sqrt{7}$ and $-8\sqrt{7}$.
$$-2\sqrt{7} - 8\sqrt{7} = (-2 - 8)\sqrt{7} = -10\sqrt{7}$$
The expression in its simplest form is:
$$\boxed{-10\sqrt{7}}$$