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

Practice Questions

1 question
Q1
What is the value of (x + 1)(x - 1)?
  1. x² + 1
  2. x² - 1
  3. x² - 2
  4. 1 - x²

Questions & Step-by-step Solutions

1 item
Q
Q: What is the value of (x + 1)(x - 1)?
Solution: (x + 1)(x - 1) = x² - 1, which is the difference of squares.
Steps: 0

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