Answer:
6√6
Step-by-step explanation:
The product of roots is the root of the product. Here, each root can be simplified by factoring out perfect squares.
__
[tex]\sqrt{12}\times\sqrt{18}=\sqrt{2^2\cdot3}\times\sqrt{3^2\cdot2}=2\sqrt{3}\times3\sqrt{2}\\\\=(2\cdot3)\sqrt{3\cdot2}=\boxed{6\sqrt{6}}[/tex]
