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

$\frac{dy}{dt}=\frac{3}{t}+2$

$\left(2x^4y\right)\left(9xy^{-4}\right)$

$\int\frac{15x+111}{\left(x+7\right)\left(x+8\right)^2}dx$

$\frac{d}{dx}\left(x^x\right)=\left(\sqrt{x}\right)^{7x}$

$x+3<-2$

$\left(2z-2u\right).\left(2z-3u\right)$