My Math Forum How does the algebra problem fit with the word problem?

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 April 7th, 2014, 11:53 AM #11 Newbie   Joined: Apr 2014 From: USA Posts: 10 Thanks: 8 Thank you for taking the time to write that out, agentredlum! Even though I don't know much about factoring, after all of the wonderful answers that people have given me here I think I know enough to say that I understand how that problem works. At first I found the problem in the book vaguely irritating, but looking at it now, seeing the expanded simplified version next to the expression as it's written in the book, I'm amazed. I mean, if you actually went and tried to do the problem using the expanded simplified version I'm pretty sure you'd be sitting in the same spot all week. I can't believe that the original expression has compacted all of that work into such a small space. Thanks from MarkFL and agentredlum
 April 8th, 2014, 04:43 PM #12 Math Team   Joined: Oct 2011 From: Ottawa Ontario, Canada Posts: 14,597 Thanks: 1039 Remember that (1 + i)^n is really 1(1 + i)^n, thus gives future value of 1 dollar. The multiplication by the actual Amount : A(1 + i)^n then finalizes the calculation... Thanks from agentredlum and FrancesKatherine
 April 9th, 2014, 11:06 AM #13 Newbie   Joined: Apr 2014 From: USA Posts: 10 Thanks: 8 Thank you for mentioning that, Denis!

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