1. The problem statement, all variables and given/known data Find the square root of [tex]3 - 2\sqrt 2[/tex]. 2. Relevant equations 3. The attempt at a solution I don't really know how to do this quickly. Could this be done by solving [tex]x^2 = 3 - 2\sqrt 2[/tex]? Or should I solve [tex](a + b)^2 = 3 - 2\sqrt 2[/tex]? By the way, the answer is [tex]1 - \sqrt 2[/tex].