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5-32.

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

and

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?