Respuesta :
Answer:
x2y2 - z2
Step-by-step explanation:
multiple each expression one by one
(xy + z)(xy - z) = x^2y^2 - xzy + xzy -z^2 ➡ +xzy will eliminate -xzy
and only x^2y^2 - z^2 will be left
Answer:
x2y2 - z2
Step-by-step explanation:
multiple each expression one by one
(xy + z)(xy - z) = x^2y^2 - xzy + xzy -z^2 ➡ +xzy will eliminate -xzy
and only x^2y^2 - z^2 will be left