$x^{2}+x-12$

$\lim_{x\to\infty}\left(2ln\left(x^2+1\right)-4ln\left(11x+1\right)\right)$

$\frac{\cos^2\left(t\right)+\tan^2\left(t\right)-1}{sin^2\left(t\right)}=tan^2\left(t\right)$

$\frac{24g^3z^8}{8gz^2}$

$3^2+5^2-2$

$\frac{6x+\sqrt{12}}{2}$

$\int\left(\frac{cosx}{8-5sinx}\right)dx$