Here I present you two scenarios of mine:
This can be explained very easily, with this example:
This can be explained very easily:
On the first situation, I am telling I am about to give you an example, while on the second situation, I don't. Yet, the two points make it quite clear already. Which situation is more correct?
You see, on the first situation, the "with this example" part looks a bit too useless, however, without it, it looks a bit incomplete.