$\int\left(\left(x^2+2x+1\right)\cdot x\right)dx$

$\lim_{x\to-4}\left(\frac{x^2-16}{2x+8}\right)$

$\lim_{x\to0}\left(\frac{x^4+x^2}{e^x+2}\right)$

$-xy^3+5x^2y+3xy^3-4x^2y$

$\frac{dy}{dx}\left(\sqrt{x^2+1}=\left(1+x\right)^y\right)$

$132\left(-11\right)$

$x^2+10x+23$