Question

4xy - X square - 4y square +z square​

Answer 1

Answer:

hope this helps u :-)

Step-by-step explanation:

4xy-x²-4y²+z²

⇒-(-4xy+x²+4y²)+z²

⇒-(x-2y)² +z²

⇒z²-(x-2y)²

⇒(z-x+2y)(z+x-2y) [a²-b² =(a-b)(a+b)]