Mathematics · Algebra
If xy = 1, then the factorization of x + y + 2 is:
- 1(x - 1)(y - 1)
- 2(x - 1)(y + 1)
- 3(x + 1)(y - 1)
- 4(x + 1)(y + 1)✓
Correct answer
(x + 1)(y + 1)
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