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May 22nd, 2009, 02:16 PM  #1 
Newbie Joined: May 2009 Posts: 17 Thanks: 0  Please Help Me Simplify! TIA! Question: For x<0, simplify the following: ** Hint: My Answer: I know I can simplify further ( difference of sq. ) But this looks neater 
May 22nd, 2009, 02:48 PM  #2 
Senior Member Joined: May 2008 From: York, UK Posts: 1,300 Thanks: 0  Re: Please Help Me Simplify! TIA!
You are partly correct  the expression will be negative for some values of But not for all  what if 
May 22nd, 2009, 02:58 PM  #3  
Newbie Joined: May 2009 Posts: 17 Thanks: 0  Re: Please Help Me Simplify! TIA! Quote:
Or, since it states, "For X<0, it should be a minus sign? Confused. Thanks  
May 22nd, 2009, 03:26 PM  #4 
Senior Member Joined: May 2008 From: York, UK Posts: 1,300 Thanks: 0  Re: Please Help Me Simplify! TIA!
Yep. Didn't spot the My bad You were right, as long as 
May 22nd, 2009, 03:34 PM  #5 
Newbie Joined: May 2009 Posts: 17 Thanks: 0  Re: Please Help Me Simplify! TIA!
No worries, at least I don't feel so crazy now. Thanks! 

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