/ / 2\\
| / 2 6\ \(4 + x) /|
2 | 2 \-2 + 2*(4 + x) + 2*(4 + x) /*e |
/ / 2\\ x*(4 + x) *|-------- + ------------------------------------------|
| / 2 6\ \(4 + x) /| | 4 4 |
2 | 2 \-2 + 2*(4 + x) + 2*(4 + x) /*e | \(4 + x) (4 + x) /
2*(4 + x) *|-------- + ------------------------------------------| + ------------------------------------------------------------------
| 4 4 | 2
\(4 + x) (4 + x) /
$$\frac{x \left(x + 4\right)^{2} \left(\frac{\left(2 \left(x + 4\right)^{6} + 2 \left(x + 4\right)^{2} - 2\right) e^{\left(x + 4\right)^{2}}}{\left(x + 4\right)^{4}} + \frac{2}{\left(x + 4\right)^{4}}\right)}{2} + 2 \left(x + 4\right)^{2} \left(\frac{\left(2 \left(x + 4\right)^{6} + 2 \left(x + 4\right)^{2} - 2\right) e^{\left(x + 4\right)^{2}}}{\left(x + 4\right)^{4}} + \frac{2}{\left(x + 4\right)^{4}}\right)$$
2*(4 + x)^2*(2/(4 + x)^4 + (-2 + 2*(4 + x)^2 + 2*(4 + x)^6)*exp((4 + x)^2)/(4 + x)^4) + x*(4 + x)^2*(2/(4 + x)^4 + (-2 + 2*(4 + x)^2 + 2*(4 + x)^6)*exp((4 + x)^2)/(4 + x)^4)/2