Question

plz factorise this algebraic expression of picture​

Answer 1

Answer:

here is the answer :)

Step-by-step explanation:

x²+2xy+y²-z²

(x²+2xy+y²) - z²

(x²+y²)- z² ( formula a²-b² = (a+b)(a-b) )

(x²+y²+z²)(x²+y²-z²)