$5\log\left(x\right)-4\log\left(x^2+1\right)+5\log\left(x+1\right)$

$\lim_{x\to\infty}\left(\sqrt{x-2}-\sqrt{x-4}\right)$

$m-5-5m+4$

$\left(7x^2+5x-8\right)x\left(x^2+3x+5\right)$

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

$14=12+3.2sin\left(\frac{2\pi\:}{365}t\right)$

$\left(\frac{5y^4}{7}+\frac{10}{17}\right)\left(\frac{5y^4}{7}+5\right)$