Question

please give answer fast​

Answer 1

Answer:

here, (x-y)^2+4xy-z^2

= x^2+y^2-2xy+4xy - z^2

= (x^2+y^2+2xy)-z^2

= (x+y)^2-z^2

= (x+y+z)(x+y-z) ans.

thank you!!