[tex](2 \sqrt{3} - 3) \times ( \sqrt{3} - 1)[/tex]
[tex] (\sqrt{ {2}^{2} \times 3} - \sqrt{ {3}^{2} } ) \times ( \sqrt{3} - \sqrt{1} )[/tex]
[tex]( \sqrt{12} - \sqrt{9} ) \times \sqrt{2} = \sqrt{3} \times \sqrt{2} [/tex]
[tex] \sqrt{6} [/tex]