1 )  √ 3 (√ 3 + √ 12 ) 2)  (3− √ 8) ^2

1) [latex]3+\sqrt{12*3}= 3+ \sqrt{36}=3+6=9[/latex] 2) [latex]9-6\sqrt{8}+8=9-12\sqrt{3}+8=17-12\sqrt{3}[/latex]