$8a^3-6a^2$

$\int\left(e^{3x}+3\right)e^{3x}dx$

$-\frac{16}{2015}x^2+\frac{9}{15}x$

$\frac{-6-9}{-3+3}$

$\lim_{x\to a}\left(\frac{\left(x+1\right)\left(x-1\right)-2\ln\:\left(x\right)}{\ln\:\left(x\right)\left(x+1\right)\left(x-1\right)}\right)$

$1n\left(e^{\left(5x\right)}\right)=100$