$\log\left(x\right)=\log\left(x-6\right)+\log\left(2\right)$

$\int\left(ln\left(e^{\left(\frac{x+1}{2}\right)^2}\right)\right)dx$

$3x-1x+3$

$\sqrt[3]{216a^3}$

$\lim_{x\to0}\left(\frac{\sin\left(3x\right)}{x-\cos\left(4x\right)}\right)$

$3x^2.2x^2$

$\int\frac{\left(x+3\right)}{\sqrt{x-1}}dx$