What is one of the most common mistakes when simplifying rational expressions

The video tutorial explains how to handle expressions with common denominators, emphasizing the importance of combining numerators correctly. It highlights a common mistake students make by attempting to divide terms across addition, which is incorrect. The tutorial clarifies that division is only applicable across multiplication, using examples to illustrate the point. The session concludes with a recap of the correct method and a reminder of the common mistake to avoid.

Describe the difference between dividing across addition and multiplication.

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What should you remember when dealing with terms that are separated by addition?

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