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avatar+153 

deleted

 Oct 17, 2019
edited by SoulSlayer615  Oct 23, 2019
 #1
avatar
+1

Solve for x:
sqrt(x^2) = 6

Raise both sides to the power of two:
x^2 = 36

Take the square root of both sides:

 x = 6       or        x = -6

 Oct 17, 2019
 #2
avatar+109397 
+1

√[4x^2]  - √x^2   =   6

 

We can write this in the following manner

 

l 2x l   -  l x l   =  6

 

2 l x l   -  ; x l   =   6

 

l x l   =   6

 

This is true when  x  = 6  or x  = - 6

 

cool cool cool

 Oct 18, 2019

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