Question

x square minus 1 minus 2 Y minus y square Q7 v

Answer 1

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Answer 2

Step-by-step explanation:

$x ^{2} - (1 + 2y + y ^{2} ) \\ x {}^{2} - (y + 1) {}^{2} \\ (x + y + 1)(x - y - 1) \: answer$

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