$\frac{dy}{dx}=1+x^2+y^2+y^2x^2$

$\left(6x^3+4w\right)\left(6x^3-4w\right)$

$9z+8zy^{2}-5z+2y^{2}-10xy^{2}$

$\left(x^3-1\right)\cdot\left(x+1\right)$

$\frac{d}{dx}\left(\frac{1}{\left(x+6\right)\left(x+7\right)\left(x+2\right)}\right)$

$\left(5p-1\right)-\left(2-3p-10p^2\right)$