$log\left(\frac{x^5}{z\sqrt[3]{y^2}}\right)$

$-27\left(+11\right)$

$\int\frac{\left(x^3-2x^2-5x+8\right)}{\left(x+2\right)}dx$

$\frac{d^2y}{dx^2}\:y=\left(xe^{-x}\right)$

$-\:-5+6-3+6+3-+5-2+1$

$-2p^6-3p^2\:q^2-r^2$

$\lim_{x\to\pi}\left(\frac{x\sin\left(x\right)}{\cos^2x+1}\right)$