$\int_{-\frac{\pi}{2}}^0\left(x^2cos\left(x\right)\right)dx$

$\frac{d}{dx}\sqrt[2]{\frac{x-3}{x^4+3}}$

$\left(1-x\right)\frac{dy}{dx}=y^2$

$\sqrt[3]{x^5}\cdot y^6$

$5y^2+20y+25$

$\frac{dy}{dx}=\frac{1}{6}\left(100-x\right)$

$f\left(x\right)=\left(-8x^5+3x^4+2x^1\right)^7$