$\left(m^2+\:16m\:+\:64\right)\:cm^2$

$area\:\ln\:x,\:x^2-2$

$\frac{d}{dx}\left(\left(3x+9\right)\left(x^2-x+9\right)\right)$

$-8.8^2$

$\left(7p-3q\right)^2$

$8,857+52.50$

$-cos\left(5\cdot x\right)\cdot cos\left(8\cdot x\right)=sen\left(5\cdot x\right)\cdot sen\left(8\cdot x\right)$