Question

simplify xy + xyz + xy z'+ x'yz​

Answer 1

Explanation:

x'y + xy' is XOR. So you can simplify to z(x+y) + xy because z(x'y + xy') + xy is z when x != y and xy when x == y.

The (x+y) after z is necessary to disallow influence of z when x == y == 0.

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