SOLUTION: Solve {{{ 2sqrt(x+15)-2sqrt(x+3)=2 }}} Do I square all sides? Thank you!!

Question 1073600: Solve
Do I square all sides?
Thank you!!
Answer by ikleyn(52778) (Show Source): You can put this solution on YOUR website!
.
Solve = .
~~~~~~~~~~~~~~~~~~

First step is

 = .


Now square both sides. You will get

4*(x + 15) = 

Simplify

4x + 60 = ,

44 = ,

11 = .


What to do next ? - But of course, square both sides again !


I am sure that you can complete it on your own from this point.

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