$\frac{dy}{dx}=xy+x-2y$
$\frac{\cos\left(x\right)^2}{\sin\left(x\right)}+\cos\left(x\right)\cdot\tan\left(x\right)=\csc\left(x\right)$
$m-5m-2mn$
$e^{\sin\left(3.14\right)}-1$
$y''+y'+2y=0$
$2x+1=x+2$
$\left(5x+7z\right)^2$
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