![]() Next look for factors that are common to all terms, and search out the greatest of these. To factor an expression by removing common factors proceed as in example 1.ģx is the greatest common factor of all three terms. Each term of 10x + 5 has 5 as a factor, and 10x + 5 = 5(2x + 1). In general, factoring will "undo" multiplication. In the previous chapter we multiplied an expression such as 5(2x + 1) to obtain 10x + 5. ![]()
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