$\int10\left(x+10\right)e^{-0.1x-1}-14.94dx$

$\frac{5^3\cdot4^5}{5\cdot4^3}$

$\:\frac{a}{3}+4=6\:$

$\lim_{x\to2}\left(x^3+2x^2-x-4\right)$

$\lim_{x\to0}\left(\frac{x^2-5x+6}{x-2}\right)$

$\frac{d}{dx}\left(\ln\left(\frac{\left(7x+2\right)^7}{\sqrt[5]{2x^2-10x+49}}\right)\right)$

$4.4^2$