3 * sqrt (12)* 6
First, you can multiply 3 and 6, which equals 18.
The sqrt of 12 can be broken down into sqrt (3 * 4) , the sqrt(3) * sqrt (4)
sqrt (4) =2 So the sqrt (12) can be simplified to 2 * sqrt (3)
18 * 2 * sqrt (3)
=36* sqrt(3)
ANSWER: 36 * sqrt (3)