$\int\frac{\pi}{\frac{\pi}{3}}\left(1+\cos\left(x\right)\right)dx$

$169-4x^6-12x^3-9$

$x\ln\left(-x\right)-2\ln\left(-x\right)=0$

$-2\left(m\:-\:30\right)\:=\:-6m\:\:\:true$

$tan=-\frac{\sqrt{10}}{3}$

$4x^2+24x+144$

$\left(-2x^{3}+3x^{2}-x+2\right):\left(x-1\right)$