$x^2-36>0$
$\left(t+1\right)^3$
$\left(mn-5n\right)^2$
$\int2\csc\:\left(2x\right)dx$
$\frac{d}{dx}x^4-2x^2y+6xy^3=44$
$\:\left(20\:-y\right)^2\cdot\:\left(y^2\:+\:20\right)^2$
$\lim_{x\to\infty}\left(\frac{7x}{\sqrt{x^2+4}}\right)$
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