$\left(4x^3y+3x^2y^5\right)^3$

$2x^2-27x-80$

$( 3 z + a ) ^ { 2 } = 9$

$\left(7t^{-3}\right)^3\left(s^5t^4\right)^2$

$\left(6x\right)\left(6x^3\right)$

$\lim_{x\to\infty}\left(\frac{ln\left(x\right)}{ln\left(1+x\right)}\right)$

$\int\frac{1}{\sin\left(x\right)^3}dx$