$\frac{\sqrt{147x^3}}{\sqrt{3x}}$
$\int\frac{5}{x^2+2x+1}dx$
$\frac{x^2}{2}-\frac{1}{2}x$
$\cot^2\left(x\right)=1.14$
$8x\:+\:2\:=\:3x\:+\:7$
$-p^2\left(2p^4q^3r^2\right)^4$
$\left(z+0.63\right)\left(z-\sqrt{y}\right)$
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