SOLUTION: The question is the CUBE ROOT of this : 22(x+1)^2 The answer in the back of my book is 2(x+1) THE CUBE ROOT 9(X+1). PLEASE HELP.

Algebra ->  Radicals -> SOLUTION: The question is the CUBE ROOT of this : 22(x+1)^2 The answer in the back of my book is 2(x+1) THE CUBE ROOT 9(X+1). PLEASE HELP.      Log On


   



Question 342903: The question is the CUBE ROOT of this : 22(x+1)^2
The answer in the back of my book is 2(x+1) THE CUBE ROOT 9(X+1).
PLEASE HELP.

Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
root%283%2C22%28x%2B1%29%5E2%29 can't ne simplified any further.
The answer in the back of the book is incorrect.
If you cube the answer, you get
%282%28x%2B1%29%2Aroot%283%2C9%28x%2B1%29%29+%29%5E3=72%28x%2B1%29%5E4