Question

(x+y)²-4x²y²
factorise the upper one :
plz answer clearly otherwise i will report you

Answer 1

Answer:

x²+y²+2xy-4x²y²

I don't know whether we can simply further more sorry'.

Answer 2

Step-by-step explanation:

(x+y)2 -(2xy)2

a2-b2=(a+b)(a-b)

(x+y+2xy)(x+y-2xy)