![]() ![]() Note that this is the distributive property. The terms within the parentheses are found by dividing each term of the original expression by 3x. Proceed by placing 3x before a set of parentheses. In this case, the greatest common factor is 3x. ![]() 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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