$x^2+8x-3$

$\frac{1160}{58}$

$x=e^{\ln\left(7\right)}$

$\frac{1}{\pi}\int_0^{\pi}\left(\left(\pi-x\right)sen\:nx\right)dx$

$12-\left[18-\left(-4+10\right)+5\right]+\left[-3+\left(15-7\right)+2\right]$

$\left(a+b-c\right)\left(a-b-3c\right)$

$\left(4m+8p\right)\left(4m-8p\right)$