$x+4>-2$
$9^2\:-\:30x\:+\:25$
$\sqrt[3]{x^9\sqrt[3]{2^2}}$
$\sqrt{16x}$
$2u^2+u-1$
$y^{-3}=x^3\left(3e^x+c\right)$
$\int x^3\:in\:e^{2x}dx$
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