$m^4-15m^2+56$
$-2b^5\left(b^3\right)^4$
$2\cos2x-\sqrt{3}=0$
$\int\frac{1}{\sqrt{4+\left(x+2\right)^2}}dx$
$7c-c$
$\frac{dy}{dx}\left(x^4+y^4=4xy+4\right)$
$\int-x\csc\left(x^2\right)dx$
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