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May 23rd, 2012, 04:49 PM  #1 
Member Joined: Jan 2012 Posts: 43 Thanks: 0  simplify expression
hi, im having trouble with a fairly basic simplifying expression. The question is: Simplify the expression where is negative. ive worked through this problem a few times and came up with there graphs look completely different which leads me to think theyre incorrect which doesnt look right to me and i thought simplifying radicals was meant to remove them from the bottom this question is driving me insane and any help would be great thanks 
May 23rd, 2012, 04:56 PM  #2 
Global Moderator Joined: Oct 2008 From: London, Ontario, Canada  The Forest City Posts: 7,879 Thanks: 1087 Math Focus: Elementary mathematics and beyond  Re: simplify expression 
May 23rd, 2012, 05:06 PM  #3 
Member Joined: Jan 2012 Posts: 43 Thanks: 0  Re: simplify expression
how careless of me thank you 

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