3 years ago

Need help please I need to pass the test

Mathematics

2 answers:

Zanzabum3 years ago

6 0

Answer:

Choice B.

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

Step-by-step explanation:

Multiply radicals and simplify inside square roots.

Diano4ka-milaya [45]3 years ago

5 0

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)

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