$y+9y-3$
$2\left(x^2+2x-56\right)$
$\int\left(x-2\right)senx\:dx$
$\frac{d}{dx}\:sen\:ax^2$
$\left(a^x+b^n\right)^2$
$-\frac{v}{6\:}=-44$
$2x^2zy^3;\:x=1;\:y=3;\:z=2$
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