Combining rational expressions

The video tutorial explains how to add rational expressions with different denominators by finding the least common denominator (LCD). It covers the process of multiplying numerators and denominators to achieve a common denominator, simplifying numerators using the distributive property and FOIL, and combining like terms. The tutorial also discusses determining restrictions by setting the denominator to zero and concludes with a summary of simplifying rational expressions.

Describe the role of the distributive property in simplifying rational expressions.

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What is the result of combining the cubes and squared terms in the final expression?

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How do you find the restrictions on the variable in a rational expression?

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