Question

urgent va rog :)))))))​

Answer 1

 

$\displaystyle\bf\\6\sqrt{3}+2(1-\sqrt{27})=\\\\=6\sqrt{3}+2(1-\sqrt{9\times3})=~~~Scoatem~factorii~de~sub~radical.\\\\=6\sqrt{3}+2(1-3\sqrt{3})=~~~~~~Desfacem~paranteza.\\\\=\underline{6\sqrt{3}}+2-\underline{6\sqrt{3}}=\boxed{\bf2}~~~~~~Am~redus~termenii~asemenea.$