$\frac{dy}{dx}+y\sin\left(x\right)=-\sin\left(x\right)$

$\sqrt{16x^2y^2z^2}$

$\left(\frac{2^{4}\sqrt{x^{3}}}{\sqrt[3]{y}}\right)^{3}\left(\frac{y^{4}}{\sqrt{x^{-1}}}\right)$

$\tan\left(x\right)-\frac{3}{\tan\left(x\right)}=0$

$-45+-90+-9$

$4x^2+18x\cdot81$

$\int\frac{\left(2x+1\right)}{e^x}dx$