Subtracting two rational expressions by converting them to an addition problem

The video tutorial covers factoring of trinomials and binomials, explaining the concept of common denominators and the importance of using the least common denominator (LCD) in fraction operations. It also discusses converting subtraction problems into addition problems and applying the distributive property to simplify expressions. The tutorial emphasizes the need for common denominators when adding fractions and provides examples to illustrate these concepts.

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