$\left(2n+8\right).5$

$5\cdot\left(x+2\right)<3\cdot\left(x+3\right)+1$

$\lim_{x\to\infty}\left(\frac{3^{x+1}}{4^{x-2}}\right)$

$\int\csc\left(4x\right)\tan\left(4x\right)dx$

$\lim_{x\to-2}\left(\frac{5x+2+x^3}{-6-x-x^2}\right)$

$\frac{4-x}{x}$

$\left(31x^3-4x\right)^2$