$\sqrt{17\cdot15+8^0}$

$\frac{x+12}{x^2-144}$

$8m^2+4m+12m^2n^2$

$\lim\:_{x\to\:\frac{\pi\:}{2}}\frac{\left(sin\left(cos\left(\pi\:-x\right)\right)\right)}{\left(\frac{\pi\:}{2}-x\right)^2}$

$\int x^7\sqrt[7]{9x^4+4}dx$

$\frac{x+4}{x^2+8x+12}$

$\sqrt{\frac{4f^4}{9v^8}}$