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Which of the following expressions represents the polynomial obtained by multiplying (x + 1) and (x - 1)?

Practice Questions

1 question
Q1
Which of the following expressions represents the polynomial obtained by multiplying (x + 1) and (x - 1)?
  1. x^2 - 1
  2. x^2 + 1
  3. x^2 + 2
  4. x^2 - 2

Questions & Step-by-step Solutions

1 item
Q
Q: Which of the following expressions represents the polynomial obtained by multiplying (x + 1) and (x - 1)?
Solution: The product (x + 1)(x - 1) is a difference of squares, resulting in x^2 - 1.
Steps: 0

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