$x^4-8x^3-4x^2-28x+120$
$b^{2n+3}\cdot b^{2n+3}$
$\left(\frac{ipx}{h}+\:a\left(x-b\right)^2\right)$
$\frac{a^2+b^2}{b}-a$
$\left(6m-5y\right)^2$
$12\cdot\frac{36}{12}-36$
$\lim_{x\to0}\left(\frac{3e^x-4x+e^{-3x}}{2x^2}\right)$
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