$x^3-3^2-2x+1$
$\frac{3^n}{\sqrt{2n-2}}\cdot\:\left(x-3\right)^n$
$x^2+7x-6=0$
$x^2+1=1$
$x^2=-16y$
$\int\sqrt[6]{x+10}dx$
$x^4-7x^2-8$
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