$\frac{x-\frac{y^2}{x}}{\frac{y}{x}+1}$

$5\int x\:dx$

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

$\left(3.59\cdot10^{-2}\right)-\left(1.23\cdot10^{-2}\right)$

$\left(256x^4-768x^3+864x^2-432x+81\right)\left(18x+6\right)$

$\frac{dy}{dx}=.01y+200$

$\:\left(x+25\right).\:\left(x+9\right)\:=\:\:\:\:\:$