Respuesta :
zero product property
if ab=0 then assume that a and b=0
so
(x-2)(x-a)=0
so assume
x-2=0
and
x-a=0
x-2=0
x=2
x-a=0
x=a
x=2 and a
if ab=0 then assume that a and b=0
so
(x-2)(x-a)=0
so assume
x-2=0
and
x-a=0
x-2=0
x=2
x-a=0
x=a
x=2 and a