$\int\frac{x}{\sqrt{x+24}}dx$

$1+\sqrt{2}^2$

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

$\arcsin\left(-\frac{1}{2}\right)+2\arccos\left(-\frac{1}{2}\right)-\arctan\left(-1\right)+\frac{1}{3}\arctan\left(1\right)$

$-15-\left(-25\right)-5$

$\left(6x-5\right)x\left(7x+3\right)$

$7\left(2k+2\right)+4$