$\frac{dy}{dx}=\frac{y\left(3x-1\right)}{x}$

$8d-\left(-3d\right)+\left(-7\right)-2$

$\frac{dy}{dt}=y\left(6t-1\right)$

$-\frac{1}{50}\int\cos\left(x\right)^2dx$

$\frac{x^3y^5z^{-2}}{x^4y^3z^{-3}}$

$\left(2x^4-6x^2+4x+8\right):\left(x-2\right)$

$\lim_{x\to\infty}\left(\frac{4}{5}\right)^n\cdot\sqrt{n}$