
Elementary Math Fractions, Percentages, Word Problems, Equations, Inequations, Factorization, Expansion 
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August 3rd, 2013, 07:18 AM  #1 
Member Joined: Apr 2013 Posts: 65 Thanks: 0  Multiplication
I'm kinda confused =)

August 3rd, 2013, 07:32 AM  #2  
Math Team Joined: Dec 2006 From: Lexington, MA Posts: 3,267 Thanks: 407  Re: Multiplication Hello, Drake! Quote:
Are we to assume that we are to simplify the expression? [color=beige]. . . . . . [/color] [color=beige]. . . . . . [/color] [color=beige]. . . . . . [/color] [color=beige]. . . . . . [/color]  
August 3rd, 2013, 07:47 AM  #3 
Member Joined: Apr 2013 Posts: 65 Thanks: 0  Re: Multiplication
Yes, exactly what I've found. However my book gives the answer 3

August 3rd, 2013, 07:49 AM  #4 
Member Joined: Apr 2013 Posts: 65 Thanks: 0  Re: Multiplication
I can post the initial problem if it's needed.

August 3rd, 2013, 09:25 AM  #5  
Math Team Joined: Dec 2006 From: Lexington, MA Posts: 3,267 Thanks: 407  Re: Multiplication Hello, "Drake! Quote:
Do you mean that what you gave us was not the inital problem? That might explain where the "3" comes from . . .  
August 3rd, 2013, 10:23 PM  #6  
Math Team Joined: Oct 2011 From: Ottawa Ontario, Canada Posts: 11,082 Thanks: 723  Re: Multiplication Quote:
 
August 5th, 2013, 07:16 AM  #7 
Member Joined: Apr 2013 Posts: 65 Thanks: 0  Re: Multiplication
Well, yes. That was only a part of the solution. Anyways, here is the problem: We're asked to find all real values of x satisfying this equation. To solve it, the book used AM > GM inequality. And then it says without any further explanation And Thus x=1 

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