$\frac{2x^4-8x^2-2x-2}{x+10}$

$\left(x+2\right)\:\left(x-7\right)$

$\left(\frac{x+100}{5}\right)=5$

$\lim_{x\to\infty\:}\left(x^3\left(e^{\frac{1}{x}}-1-\frac{1}{x}-\frac{1}{2x^2}\right)\right)$

$5x^4y^3=2$

$\int\frac{1}{5x\ln\left(x\right)}dx$

$\int\frac{1-x+x^2-x^3}{x\left(x^2+1\right)^2}dx$