8.1.3 Adding and Subtracting Rational Expressions (continued) Example 2 Finding the Least Common Multiple of Polynomials Recall that the smallest number that is a multiple of two or more numbers is the least common multiple (LCM) of the numbers. Use the following steps to find the least common multiple of two or more polynomials. 1. Factor each polynomial completely. 2. Multiply the unique factors and each common factor the greatest number of times it appears.
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