Distributive property is simple. It basically distributes. (What? lol)
Anyway, let's give you some examples.
For example, we have:
You can see that the 2 there is a constant and it has to be distributed.
So, to distribute that, you just need to multiply 2 with both the terms and you will have:
And finally, you get:
If you're still having troubles, don't hesitate to message me or comment on my profile.