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32 = x squared minus 2 squared

 Jan 6, 2015

Best Answer 

 #1
avatar+111387 
+5

So we have

32 = x^2 - 2^2

32 = X^2 - 4   add 4 to both sides

36 = x^2        taking both roots, we have

±√36 = x

± 6  = x

 

 Jan 6, 2015
 #1
avatar+111387 
+5
Best Answer

So we have

32 = x^2 - 2^2

32 = X^2 - 4   add 4 to both sides

36 = x^2        taking both roots, we have

±√36 = x

± 6  = x

 

CPhill Jan 6, 2015

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