Question $19$

The simplified expression for the Boolean function defined by the

following Kmap is

$x,x^{\text{'}}$

$,x+x{y}^{\text{'}}+yz$

$,xz+x^{\text{'}}{y}^{\text{'}}+z$

$=>,x+y^{\text{'}}+z$

explain how x $+$ y$\text{'}+$ z is the correct answer