Find the value of the Boolean expression M$($x$,$y$,$z$)=$ x$($x$\text{'}$z $+$ yz$\text{'})+$ y$\text{'}$ if:

$($a$)($x$,$y$,$z$)=(0,0,0)$

M $=$

$($b$)($x$,$y$,$z$)=(1,1,1)$

M $=$

$($c$)($x$,$y$,$z$)=(1,0,1)$

M $=$