# Algebra Questions

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1. When simplifying like terms, how do you determine the like terms?

2. How do you determine the common factors in an expression?

3. What is factoring by grouping? When factoring a trinomial by grouping, why is it necessary to write the trinomial in four terms?

4. What is a common factor? Where do you use the common factor in an expression consisting of various terms?

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##### Solution Summary

This posting contains answers to the given algebra questions.

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1.

Answer: The like terms are the terms with common factors, such as variables of the same degree or terms with common rational factors. For example, x^2 and 3x^2 are like terms, 3sqrt(2) and 2sqrt(2) are also like terms.

2.

Answer: Common factors can be determined by factoring ...

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