### Home > A2C > Chapter 5 > Lesson 5.1.2 > Problem 5-30

5-30.

Paul states that . Joyce thinks that something is missing. Help Joyce show Paul that the two expressions are not equivalent. Explain using at least two different approaches: diagrams, algebra, numbers, or words.

Try multiplying

For a second approach, you could show the two expressions are not equal by substituting numbers for and

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