Question

factorise the following expression x²-1-2y-y²​

Answer 1

i think you typed mistakes in the question

${\red{\boxed{MARK \:AS \: BRAINLIEST}}}$

give thanks and follow me

again give question properly

delete my answer

${\red{\boxed{deepanshu \:is \: correct}}}$

Answer 2

Step-by-step explanation:

here is your answer

Mark me as brainliest