$e^{-x}\frac{dy}{dx}=\frac{2x}{1+y^2}$

$\int\left(5\cos\frac{x}{5}\right)dx$

$\left(\:7\:\:-\:3a^2\:\right)^3\:$

$\int-\frac{cos\left(x\right)}{sin\left(x\right)^3}dx$

$\int\left(\frac{1}{8+2x^2}\right)dx$

$\left(10a^3+11b^4\right)^2$

$\left(8x^6-17y^{10}\right)\left(8x^6+17y^{10}\right)$