Question

Simplify the following Boolean expression,

is this correct:

xyz + x'y + xyz'
= y(xz + x' + xz')
= y(x(z + z') + x')
= y(x + x')
= y

also, is this right?
(x+y)(x+y')
=xx + xy + xy' + yy'
=x + x(y+y') + 0
= x + x
= x

Answer 1

Looks right.

Answer 2

thanks for the feedback, btw is

A'B + B'A
reducible?

Answer 3

I do not see how.

Answer 4

Thank you