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What is the expanded form of (2x - 5)(x + 4)?

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Question: What is the expanded form of (2x - 5)(x + 4)?

Options:

  1. 2x² - 10x - 20
  2. 2x² - 3x - 20
  3. 2x² - 6x - 20
  4. 2x² - 10x + 20

Correct Answer: 2x² - 10x - 20

Solution: 

2x(x) + 2x(4) - 5(x) - 5(4) = 2x² + 8x - 5x - 20 = 2x² - 10x - 20.

What is the expanded form of (2x - 5)(x + 4)?

Practice Questions

Q1
What is the expanded form of (2x - 5)(x + 4)?
  1. 2x² - 10x - 20
  2. 2x² - 3x - 20
  3. 2x² - 6x - 20
  4. 2x² - 10x + 20

Questions & Step-by-Step Solutions

What is the expanded form of (2x - 5)(x + 4)?
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