how can i solve this A-(B-C)=A-(BUC)

[echo basalt]

i tried all my power but still didnt manage to solve it, any help will be really helpful

[compact mason]

!xy

[flint dune]

Please show the original problem, exactly as it was stated to you, with the entire original context. A picture or screenshot is best. If the original problem is not in English, then post it anyway! The additional context might still be helpful. Do your best to provide a translation.

[echo basalt]

wdym

[compact mason]

read the bot message

[echo basalt]

oh ok am send it now

Exersice 2-3

[visual furnace]

,rccw

[celest plover]

you can expand the right side out using a distribution law

or think about what would elements would be in each set

for example the right hand side would be all the elements in A without the ones in B OR C