$\int\left(\frac{\tan\left(\ln\left(x^6\right)\right)}{x}\right)dx$

$\left(5n\right)^7\:$

$\int_{\frac{\pi}{4}}^{\frac{\pi}{2}}\left(1+e^{cotx}\right)\left(csc^2x\right)dx$

$\frac{\left(0.1j\cdot0.1j\right)}{0.2j}$

$-2m^2-14m-20$

$3x^3+15x^2+18x$

$\left(1-x-y\right)dx+dy=0$