$\int\frac{16+3x^2}{x}dx$

$\left(12\right).\left(-6\right).\left(18\right).\left(-12\right)$

$729\cdot486\left(-2\right)\cdot324$

$\left(x-2\right)\left(x+10\right)$

$\frac{dy}{dx}\cdot2\cdot x+y=1$

$-7-5x=13-4x$

$\lim_{x\to1}\left(\frac{m^n-1}{n\left(m-1\right)}\right)$