The Problem Students Always Seem to Get Wrong

The video addresses common mistakes students make with rational expressions, particularly when dealing with similar-looking denominators. It emphasizes the importance of recognizing differences in expressions like X-6 and 6-X, and demonstrates how to factor and simplify these expressions. The video also explains how to handle negatives in fractions and highlights the importance of identifying excluded values to avoid division by zero.

How can you check your work when factoring out expressions?

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What values should be excluded from the domain of a rational expression, and why?

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