SOLUTION: Simplify. See Example 5. (Objective 2) 3 radical symbol with little 3 over 81 + little 3 radical over 2,187

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Question 1154941: Simplify. See Example 5. (Objective 2)
3 radical symbol with little 3 over 81
+
little 3 radical over 2,187

Found 2 solutions by MathLover1, josgarithmetic:
Answer by MathLover1(20849) About Me  (Show Source):
You can put this solution on YOUR website!
hard to guess what is given
if you have an image, go to
https://imgur.com/upload?beta
upload image, copy link, and post it here

my best guess is that you are given

3root%283%2C81%29%2Broot%283%2C2187%29 and you need to simplify it

3root%283%2C3%2A3%5E3%29%2Broot%283%2C3%2A9%5E3%29

=3%2A3root%283%2C3%29%2B9root%283%2C3%29

=9root%283%2C3%29%2B9root%283%2C3%29

=18root%283%2C3%29


Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
---------------------------------
3 radical symbol with little 3 over 81
+
little 3 radical over 2,187
--------------------------------

Is THIS what you have, or something else?
root%283%2C81%29%2Broot%283%2C2187%29
?
If it is, then root%283%2C3%5E4%29%2Broot%283%2C3%5E7%29
root%283%2C3%5E3%2A3%29%2Broot%283%2C3%5E3%2A3%5E3%2A3%29
3%2Aroot%283%2C3%29%2B3%2A3%2Aroot%283%2C3%29
%283%2B9%29%2Aroot%283%2C3%29
12%2Aroot%283%2C3%29