SOLUTION: cubic root x-4=2.

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Question 321299: cubic root x-4=2.
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
root%283%2Cx-4%29=2 Start with the given equation.


%28root%283%2Cx-4%29%29%5E3=2%5E3 Cube both sides.


x-4=2%5E3 Cube the cube root to eliminate it.


x-4=8 Cube 2 to get 8.


x=8%2B4 Add 4 to both sides.


x=12 Combine like terms on the right side.


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Answer:

So the solution is x=12