$\begin{array}{1 1} \large \frac{(x+2)(\sqrt{x^2+4x+6})}{2}+\log \mid (x+2)+\sqrt{x^2+4x+6} \mid +c \\\large \frac{(x+2)(\sqrt{x^2+4x+6})}{2}+\log \mid (x+2)-\sqrt{x^2+4x+6} \mid +c \\\large \frac{(x+2)(\sqrt{2x+4})}{2}+\log \mid (x+2)+\sqrt{x^2+4x+6} \mid +c \\\large \frac{(x+2)(\sqrt{2x+4})}{2}+\log \mid (x+2)+\sqrt{2x+4} \mid +c\end{array} $
