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Please explain how this is the right answer!!

Please explain how this is the right answer!!
asked 90.7k views
4 votes
Please explain how this is the right answer!!

Please explain how this is the right answer!!-example-1
asked
User Miguel Guardo
by
8.2k points

1 Answer

3 votes

Answer:

49

Explanation:

1

------

x^-2

The negative moves it from the denominator to the numerator

x^2

Replace x with 7

7^2

49

answered
User Peter Dettman
by
7.3k points
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