Rezolvati in multimea numerelor reale urmatoarele ecuatii

a) [tex]( \sqrt{2x}+{1} ) (\sqrt{2x} - 1 ) = 2x^{2} + 3x + 3[/tex]

b) [tex](x-\sqrt{5} ) (x+\sqrt{5})=x^{2}-4x-1[/tex]

c) [tex](\sqrt{3x}+1) ^{2} =3 (x-1) (x+2)+2 \sqrt{3x}[/tex}

d) [tex](x-\sqrt{6})^{2} +2 \sqrt{6x} = (x+2) (x-3)[/tex]





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