$1+\frac{2}{5}q+\frac{1}{25}q^2$

$\frac{dy}{dx}+5y=5$

$\lim_{x\to\infty}\left(\frac{in\left(1+\frac{1}{x}\right)}{in\left(a-\frac{1}{x}\right)}\right)$

$3m^3-4m^2+5m+6\left(3m+2\right)$

$\sin\left(a\right)+\sin\left(a\right)\cot^2\left(a\right)=\csc\left(a\right)$

$x+1<\:3\left(x+2\right)-2x$

$2x^2+x-5=0$