Subtract two rational expression by determining the LCD

The video tutorial covers solving rational expressions by focusing on three main problems. It begins with a warm-up to introduce the topic, followed by a detailed explanation of determining the Least Common Multiple (LCM) and the importance of simplification. The instructor demonstrates factoring techniques, particularly the difference of squares, and how to identify common denominators. The session progresses to distributing terms and combining like terms, emphasizing the need for careful simplification. The tutorial concludes with a summary of the steps involved and a final solution, ensuring students understand the process and can apply it independently.

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