$\int\frac{\left(ln\left|x\right|\right)^7+5}{x}dx$

$10x^2+12x+12=0$

$\left(\frac{4x+1}{x^2-5}\right)\left(2\right)$

$\lim_{x\to2}\left(\frac{x-3}{\sqrt{x^2-5}-2}\right)$

$4\cdot15-8\left(-5\right)$

$\int\frac{t}{\sqrt{t+1}}dx$

$\lim169\left(\frac{1}{\sqrt{x}-13}-\frac{29}{x-169}\right)$