$-2x^2+7x^3+42x^2-160x+275$
$\int x^{-1}\sqrt{\left(x-2\right)\left(x+2\right)}dx$
$90x^2+264x+126\:$
$x^3+y^3-6=0$
$-2\left(3+5\right)-2\left(4-8\right)-3\left(-2-3\right)$
$-7>13-4x$
$\frac{db}{df}+2b\sin\left(f\right)=2b$
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