$z^2-4x^2-y^2=4$
$\int sinh\left(11x\right)dx$
$\left(1.5a^2-2.3b+1\right)^2$
$\left(x\:+\:2y\right)^2\:-\:\left(x\:-\:2y\right)^2$
$14x-x$
$a\left(1-x\right)^2$
$\lim_{x\to0}\left(\frac{\cos^2\left(x\right)}{x^3}\right)$
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