$\left(m+2\right)\left(m-2\right)\left(m^2+7\right)$

$\left(\frac{2^{3x+xy}+3^{y+1}-6}{2^{x+4}}\right)^{2y+2^x}$

$12xy+9y^2-4x^2$

$\frac{x^3+2x+2x+1}{3+x}$

$\left(0\right)\left(2\right)\left(11\right)\:$

$\lim_{x\to2}\left(\frac{\left(\frac{x^2}{4}-1\right)}{\frac{2}{x}-1}\right)$

$\int x\left(3x+e\right)dx$