$\frac{\left(\left(\sqrt{2x^2+28}\right)-6\right)}{\left(x-2\right)}$

$\frac{184}{\:-92\:}$

$\int_{-\pi}^{\pi}\left(9x\:sin\left(x\right)\right)dx$

$\lim_{x\to1.001}\left(\frac{2x+1}{x-1}\right)$

$3x^2-8x+9xy^2$

$x2+30x+2225$

$\sin\left(x\right)\cdot\sec\left(y\right)$