$\frac{r}{6}+3=1$

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

$p^2\:-\:12p\:+\:27$

$\int\left(\sqrt{cot\left(t\right)}csc^2\left(t\right)\right)dx$

$\left(x\right)^{\frac{-1}{2}}+\frac{a}{x^{\frac{1}{3}}}$

$4x\left(-2\right)-3$

$\sin\left(x\right)\left(\csc\left(x\right)-\sin\left(x\right)\right)=\sin^2\left(x\right)$