Răspuns:
[tex](\sqrt[]{3}-\sqrt[]{5} +\sqrt[]{2} )(\sqrt[]{3}+\sqrt[]{5} -\sqrt[]{2} ) +6-2\sqrt{10}[/tex]
[tex]3+\sqrt{15} -\sqrt{6}-\sqrt{15}-5+\sqrt{10}+\sqrt{6}+\sqrt{10}-2+6-2\sqrt{10}[/tex]
3-5-2+6
-4+6=2
