Answer
The Answer is A
Work Step by Step
First you separate 2 and \sqrt 108.
$\sqrt108$ = $\sqrt 36\times \sqrt3.$
$\sqrt 36$ = 6 and $\sqrt 3$ = $\sqrt 3.$
Since $\sqrt 108$ = $6\sqrt 3$, multiply by 2
2$\times$6 $\sqrt 3$
12$\sqrt 3$
Answer is A
