Which expression represents the difference of squares for a^2 - b^2?

Practice Questions

Q1
Which expression represents the difference of squares for a^2 - b^2?
  1. (a + b)(a - b)
  2. (a - b)(a + b)
  3. (a + b)^2
  4. (a - b)^2

Questions & Step-by-Step Solutions

Which expression represents the difference of squares for a^2 - b^2?
  • Step 1: Identify the expression you have, which is a^2 - b^2.
  • Step 2: Recognize that this expression is a difference of squares.
  • Step 3: Recall the formula for the difference of squares, which is a^2 - b^2 = (a + b)(a - b).
  • Step 4: Apply the formula to your expression: a^2 - b^2 = (a + b)(a - b).
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