`2\sqrt3 (\sqrt27 + 2\sqrt48 -\sqrt75)`
`=2\sqrt3 (3\sqrt3 + 8\sqrt3 - 5\sqrt3)`
`=2\sqrt3 . 6\sqrt3`
`=36`
\(2\sqrt{3}\left(\sqrt{27}+2\sqrt{48}-\sqrt{75}\right)\)
\(=2\sqrt{3}\left(3\sqrt{3}+8\sqrt{3}-5\sqrt{3}\right)\)
\(=6\sqrt{3}\cdot2\sqrt{3}\)
=36