SOLUTION: what is 2(squareroot)2=(squareroot)u and how do you do it

Question 300409: what is 2(squareroot)2=(squareroot)u and how do you do it
Found 2 solutions by nerdybill, Stitch:
Answer by nerdybill(7384) (Show Source): You can put this solution on YOUR website!
2(squareroot)2=(squareroot)u
.

Square both sides:

Answer by Stitch(470) (Show Source): You can put this solution on YOUR website!
To put something under the radical you need to multiply it by itself.
For example: or rewritten as .
-----------------------------------
Now to your problem.
Given:
To put the 2 under the radical you must do 2*2
Simplify
Square both sides

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