$\frac{dy}{dx}=3-\frac{2y}{x+1}$
$\left(2a+5a+4\right)^2$
$\lim_{x\to\infty}ln\left(e^x-cos\left(x\right)\right)$
$98+-239$
$y^4+32y^2+256y=0$
$\frac{1}{2}\cdot\sin\left(x\right)+1-\cos^2\left(x\right)=0$
$\left(x^4-2x\right)\left(x^{-5}+x^{-2}\right)$
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