$\left(6+11c\right)^2$

$\ln\left(a\right)-2\ln\left(b\right)=3$

$48fg+20fg-27fg-34fg$

$\frac{\left|-10\right|}{2}x\left|5\right|$

$\int\frac{2}{\sqrt{1+4x}}dx$

$\frac{\tan\left(x\right)-\sin\left(x\right)}{1-\cos\left(x\right)}=\tan$

$cot\left(\frac{3\pi\:}{2}-x\right)$