Boolean algebra simplification ?

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KaliBanda
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Homework Statement



t1eVU.png


Homework Equations



DeMorgan’s Theorems.

The Attempt at a Solution



xBT1D.png


I've had a go at it, not sure if I'm heading in the right direction though.

Thanks for any help.
 
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Where does the second + in line 4 come from? I would expect * there, as you had it in line 3.
Anyway, I would use another direction there:
##(\overline{AC})\overline{C}## has a nice simplification.