Question

x²-1-2y-y²
Factorise the following expression

Answer 1

Answer:

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Step-by-step explanation:

your  question

$x^2-1-2y-y^2$

on grouping, we get,

$(x^2-1)-y(2+y)$

we can further factorise it as

$[(x-1)(x+1)]-y(2+y)$--------------------------------- (ANSWER)  

MARK BRAINLIEST, HOPE IT HELPS YOU