$144y^6+480xy$

$\left(4-a^3\right)^3$

$\lim_{x\to0}\:\frac{\left(\left(x-2\right)e^x+x+2\right)}{\left(e^x-1\right)^3}$

$\left(2x+x^2+3x^2\right)\left(x^2+5x^3\right)$

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

$\tan\left(w\right)^2\cdot\csc\left(w\right)^2$

$\int_0^{\frac{\pi}{6}}\left(sin^46x\right)dx$