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What is the value of $(x - 1)(y + 1)?$

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by M7MBA » Sat Oct 02, 2021 6:12 am

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What is the value of $(x - 1)(y + 1)?$

(1) $x + y = 4$
(2) $xy = 3$

Answer: E

Source: GMAT Club Tests

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Source: Beat The GMAT — Problem Solving | Sat Oct 02, 2021 6:12 am

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