SOLUTION: sqrt -81 multiply by sqrt-49 Thank you for your help and time.

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Question 46040: sqrt -81 multiply by sqrt-49

Thank you for your help and time.

Answer by fractalier(6550)   (Show Source): You can put this solution on YOUR website!
Here you must pull out the i's first...so you get
sqrt -81 multiply by sqrt-49 =
i*sqrt(81) * i*sqrt(49) =
9i * 7i =
-63

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