[tex](x+2- \sqrt{2} ) ^{2} =\ \textgreater \ x^{2} + 2^{2} +( \sqrt{2} ) ^{2} +2*x*2+2*x*(- \sqrt{2}) +2*2*[/tex][tex] (-\sqrt{2} )=\ \textgreater \ x^{2} +4+2+4x- 2\sqrt{2} x-4 \sqrt{2} =\ \textgreater \ x^{2} +6+4x- 2\sqrt{2} x-
[/tex][tex] 4\sqrt{2} [/tex]
