Question

Please factorise the above question and send it​

Answer 1

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Here is your answer.

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${x}^{2} - 2xy + {y}^{2} - {a}^{2} - 2ab - {b}^{2}$

$= ( {x}^{2} - 2xy + {y}^{2} ) - ( {a}^{2} + 2ab + {b}^{2} )$

$= {(x - y)}^{2} - {(a + b)}^{2}$

$= (x - y + a + b)(x - y - a - b)$

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