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

$\int\frac{1}{\left(u^2\sqrt{a^2-u^2}\right)}du$

$\frac{x^3+x-1}{x+2}$

$-\left|2+5\right|$

$2y=x^3+2x^2$

$x^4\:-\:17x^2\:+\:16$

$25+30+\left(-48\right)\left(-21\right)\left(-24\right)$