$\frac{\left(1+12\cdot5-\frac{22}{2}\right)}{\left(6\cdot3+\frac{14}{2}\right)}-2\cdot\left(19+5-17\right)-1$

$-5.93-\left(8.62-5.93\right)$

$\left(a^3\:-\:2a^2\right)\:\left(3a^2\:-\:4a^3\right)$

$-101-80+44$

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

$\lim_{x\to\infty}\left(\frac{\sin\left(x\right)-10}{x^2-10}\right)$

$\log\left(x\right)+\log\left(x+17\right)=\log\left(60\right)$