[tex] \sqrt{x + 2 = x} [/tex]
[tex]x + \frac{6}{x} + 5 = 0[/tex]
[tex] \frac{2}{x + 2} + \frac{3}{x - 3} = - \frac{5}{6} [/tex]
[tex] \frac{1}{x ^{2} } - \frac{3}{x} + 2 = 0[/tex]
[tex]x - 7 \sqrt{x \: } + 6 = 0[/tex]
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