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What is the value of (x + 3)(x - 3) when x = 4?

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Question: What is the value of (x + 3)(x - 3) when x = 4?

Options:

  1. -5
  2. 5
  3. 12
  4. 25

Correct Answer: 25

Solution: 

Substituting x = 4, we get (4 + 3)(4 - 3) = 7 * 1 = 7.

What is the value of (x + 3)(x - 3) when x = 4?

Practice Questions

Q1
What is the value of (x + 3)(x - 3) when x = 4?
  1. -5
  2. 5
  3. 12
  4. 25

Questions & Step-by-Step Solutions

What is the value of (x + 3)(x - 3) when x = 4?
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