$\left(2m-3mn\right)^2$

$\frac{x^2+2x+4}{x^2+2x}$

$\frac{dy}{dx}+\left(tan\left(x\right)\right)y=5cos^2\left(x\right)$

$\left(3a+2y\right)^3$

$\left(2h\:x\:3h^3\:x\:h^2\right)^2$

$\lim_{x\to\infty}\left(\frac{x^{\log\left(x\right)}}{10^x}\right)$

$\left(2x-5y\right)\left(x+4y\right)$