Question

{(X + 2) - (Y + 1)} {(X + 2) + (Y+1)}

Answer 1

$(x \: + \: 2 \: - \: y \: + \: 1)(x \: + \: 2 \: + \: y \: + \: 1) \\ \\ (x \: - \: y \: + \: 1)(x \: + \: y \: + \: 3)$

Answer 2

Answer:

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