$\left(\:x^2+4x-2m\right)\left(x+3\right)$

$walfram$

$\lim\:_{x\to\:0}\left(\frac{\left(e^{2x}-1\right)\left(ln\left(n+x^2\right)\right)}{\left(1-cos\left(3x\right)\right)^2}\right)$

$\lim_{x\to infinity}\left(\frac{x^2}{\sqrt[3]{x^6+x^2}}\right)$

$\left(x^{-3}y^0\right)^2$

$m^2\cdot m^3$

$3366\cdot2$