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Home > PC3 > Chapter 1 > Lesson 1.1.6 > Problem 1-55

Are the following pairs of expressions equivalent? Explain how you know using at least two different methods. 

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  2. CPM Homework Help : PC3 Problem 1-55

    1-55. 1-55. Are the following pairs of expressions equivalent? Explain how you know using at least two different methods. x 2 − 1 x 2 + 1 and − 1. 3 x + 2 x − 1 and 3 + 5 x − 1. Bringing more math to more students.