Question

Need help please I need to pass the test

Answer 1

Answer:

Choice B.

$- 2 \sqrt{3} + 2 \sqrt{15}$

Step-by-step explanation:

Multiply radicals and simplify inside square roots.

Answer 2

Answer:

-2sqrt(3)) + 2(sqrt(15)

Step-by-step explanation:

sqrt(12) * (-1 + sqrt(5)) = -sqrt(12) + sqrt(12 * 5) = -sqrt(4 * 3) + sqrt(4 * 15) =

= -2sqrt(3)) + 2(sqrt(15)