SOLUTION: Need help solving this with explanation. 12+8 radical 81 divided by (-6)

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Question 841718: Need help solving this with explanation. 12+8 radical 81 divided by (-6)
Answer by hovuquocan1997(83) About Me  (Show Source):
You can put this solution on YOUR website!
Do you mean this : %2812+%2B+8sqrt%2881%29%29%2F%28-6%29?
If you mean so, the first thing you have to do is find out what is sqrt%2881%29
sqrt%2881%29+=+9
Then the problem will become
%2812+%2B+8%2A9%29%2F%28-6%29
%2812+%2B+72%29%2F%28-6%29
84%2F%28-6%29
-14
TA-DAH
:D