Create a new feature from where two features do not intersect?

I am new, and I did do a quick search of the forums but I couldn't find anything - so I imagine this is a super simple fix that I just can't figure out. I do apologize, but I would appreciate any input. Thanks in advance.


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I have a bunch of buffers around features indicating areas that something can NOT be.

And I have a bunch of buffers around features indicating areas that something MUST be.

I clearly see how I can intersect them, etc, but I am interested in the areas where they do NOT intersect.