Simplify a rational expression

The video tutorial explains how to simplify expressions by dividing terms with a common factor. It covers two methods: separating terms in the numerator and factoring out a common factor. The instructor demonstrates both techniques, emphasizing the importance of not separating the denominator under addition and subtraction. The tutorial concludes with a simplified expression, showing that both methods yield the same result.

Why can't you separate the denominator under addition and subtraction?

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Describe the two different methods to simplify the expression mentioned in the text.

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