Just checking my work. Please advise.
(x'+z' )(x+y'+z' )
=(x'x) + (x'y') + (x'z') + (z'x) + (z'y') + (z'z')
=0 + x'y' + x'z' + z'x + z'y' + z'
=x'y' + z' (x' + x) + z' (y' + 1)
=x'y' + z' (1) + z' (1)
=x'y' + (z' + z')
=x'y' + z'
Just checking my work. Please advise.
(x'+z' )(x+y'+z' )
=(x'x) + (x'y') + (x'z') + (z'x) + (z'y') + (z'z')
=0 + x'y' + x'z' + z'x + z'y' + z'
=x'y' + z' (x' + x) + z' (y' + 1)
=x'y' + z' (1) + z' (1)
=x'y' + (z' + z')
=x'y' + z'