[tex]\sqrt-3-\sqrt10^2 =\\\sqrt-3 - 10 =\\\sqrt -13\\[/tex]
[tex]\sqrt2 -\sqrt10^2 - \sqrt(\sqrt10 +3)^2=\\\sqrt2 - 10 - \sqrt10^2+3^2=\\\sqrt2 - 10-\sqrt109[/tex]
