Question

Combine these radicals
-$\sqrt{5} - 3\sqrt{5} \\A: -4\sqrt{10} \\B: -4\sqrt{5} \\C: -2\sqrt{10} \\D: -2\sqrt{5}$

Answer 1

Answer:

D is the correct answer.

Step-by-step explanation:

$\sqrt{5} - 3 \sqrt{5} = - 2 \sqrt{5}$