$\int\left(3x^2-5\right)^44xdx$

$\left(\frac{3x}{8}-2\right)\left(\frac{3x}{8}+2\right)$

$\lim_{x\to0}\left(\log_{\tan\left(x\right)}tan2x\right)$

$\log_{10}\left(x\right)-4\log_x\left(10\right)=3$

$\left(m^{2\:}-n^2\right)$

$\int\:\frac{6x}{\left(3x^2-2\right)^9}dx$

$6\left(5z+8\right).$