- #1

bd411

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## Homework Statement

Simplify the following boolean expression:

A'C + A'C'D + ABC + ABC'D

I have a solution but when I checked against a boolean algebra simplifier online it gave me a different answer... is there a glaring mistake below ?

## Homework Equations

None.

## The Attempt at a Solution

A'C + A'C'D + ABC + ABC'D

= A'(C + C'D) + AB(C + C'D)

= A'(C + D) + AB(C + D) = A'C + A'D + ABC + ABD

= C(A' + AB) + D(A' + AB)

= C(A'B + 1) + D(A'B + 1)

= C(1) + D(1) = C + D.

Any help would be much appreciated !