$\left(x+\frac{5}{2}\right)^2$

$\int ln\:\left(\sqrt{x}\right)\:dx$

$1x^2-14x-15$

$2x+2x+9$

$\frac{d}{dx}\left(ln\left(x\right)\right)^{5sec\left(x\right)}$

$\left(m^4-2m^2n^2+4n^2\right)\left(m^4-2m^2n^2-4n^2\right)$

$\ln\left|\tan\left(x\right)\right|-\ln\left|\cot\left(x\right)\right|=2\ln\left|\tan\left(x\right)\right|$