$4\left(3y+5\right)$

$\lim_{x\to\infty}\:\left(sin\left(\frac{1}{x}\right)\right)$

$\lim_{x\to4}\left(\frac{12x-60}{x^2-6x+5}\right)$

$\int\frac{x^8}{\left(81-x^2\right)^{\frac{11}{2}}}dx$

$cos^2\theta\:=sin^2\theta\:$

$\frac{x^3+6x+2}{x+3}$

$\left(ax+by+cz\right)^2$