$9\left(2\right)^2-16\left(2\right)+7$
$15x^2-\frac{1}{5}x$
$\left(\frac{20x^2}{x+4}+500\right)$
$\sqrt[10]{a^2b^2}$
$\int\frac{1}{2\sin\left(x\right)}dx$
$\left(-15y\:+\:3\right)^2$
$10a+1+9+4a-2a+a+2$
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