$\frac{\left(\left(3x\:y^2\right)^4\left(2x^3\:y^4\right)^3\right)^2}{\left(4x^2\:y^3\right)^5}$

$-21-100$

$\left(2p^3\right)\left(5p^{-5}\right)$

$2x^2-10x-2800$

$\left(x+1\right)\left(x-6\right)\left(x-31\right)$

$\int\frac{3x-1}{x^3+6x^2+5x}dx$

$\lim_{x\to0}\left(\frac{1}{sinx}\right)^{sin\left(x\right)}$