Question

factorise (x + y )² - 4xy² ​

Answer 1

Step-by-step explanation:

$\: = x { }^{2} + y { }^{2} \: + 2xy - 4xy \\ = x {}^{2} + y {}^{2} - 2xy$

= (x-y)2

Answer 2

Answer:

it's your answer hope is the answer