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Home > PC3 > Chapter 5 > Lesson 5.1.3 > Problem 5-32


​Are the following expressions equivalent? Explain how you know. Try to use at least two different methods to justify your answer.    


Try a few numbers. Do you get the same value for both expressions if:

Checking a few numbers does not prove that the expressions are equivalent.
Can you algebraically rewrite one expression so that it is the same as the other expression?