Question

factorise using identities

plz answer this it's urgent ​

Answer 1

Step-by-step explanation:

(x²+2xy+y²)-(x²-2xy+y²)

x²-2xy-y²-x²+2xy-y²

2y²

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Answer 2

Answer:

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

a^2-b^2 =(a+b)(a-b)

where a=x+y, b=x-y

{(x+y)+(x-y)}{(x+y)-(x-y)}

{x+y+x-y}{x+y-x+y}

{2x}{2y}

2xy is the required answer

Step-by-step explanation:

hope it helps pls follow pls ^_^