$\left(9\right)^3+\left(-13\right)^3+\left(4\right)^3$

$\left(2\right)^2-3\left(2\right)+3$

$-2\left(h+11j\right)$

$\frac{12}{100}+14v$

$\left(x^2+2x\right)y'=x^2y$

$\frac{dy}{dx}\left(x\left(5x-2y\right)=y^2-1\right)$

$\lim_{x\to1}\left(\frac{2-\sqrt{3-x}}{2x}\right)$