18-11-2019
English

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The equation x^2=81 has two solutions. One solution is 9 what is the other

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AnonymousPerson14 AnonymousPerson14

18-11-2019

Answer:

-9

Explanation:

Just like how 9*9 is 81, -9* -9 is also 81

A negative times a negative equals a positive

Hope this helps

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