$x^2-10x=2$

$\frac{\tan\:\left(\:\mu\:\:\right)\:\:+\cot\left(\rho\:\right)\:\:\:\:}{\tan\:\left(\mu\:\right)\:\:\cot\:\:\left(\rho\:\right)\:\:}=\:\tan\:\left(\rho\:\right)\:\:+\cot\:\left(\mu\:\right)\:\:$

$\int\left(\frac{12tan^{-1}\left(\frac{1}{x}\right)}{x^3}\right)dx$

$\int\left(2x+1\right)\cdot\left(x^2+x+1\right)dx$

$\left(\sqrt{\left(b+3y\right)}\cdot\sqrt{8b+y}\right)$

$3\cdot3^3\cdot5\cdot2^2$

$7m-14m^2-21m^3$