PoofyPenguin
  • PoofyPenguin
Something's wrong...could someone please check my work? Attachments to come...
Mathematics
chestercat
  • chestercat
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PoofyPenguin
  • PoofyPenguin
Here's the question:
1 Attachment
PoofyPenguin
  • PoofyPenguin
Here's the work that I've done:
PoofyPenguin
  • PoofyPenguin
Only one of the part's is wrong, but I'm not sure which one or what I did wrong...

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PoofyPenguin
  • PoofyPenguin
Could anyone help me?
anonymous
  • anonymous
Yes I am checking it.
PoofyPenguin
  • PoofyPenguin
Thanks so much! I've been waiting all night! :D
anonymous
  • anonymous
There will be -40x^3 ? Last one
anonymous
  • anonymous
instead of -800x^6 there may be -40x^3
anonymous
  • anonymous
@PoofyPenguin What do you think? I am rechecking my soln ... wait for 5 min.
PoofyPenguin
  • PoofyPenguin
I think that I made the mistake in that area but what about the 20x^3?
anonymous
  • anonymous
Yes...
anonymous
  • anonymous
1 Attachment
anonymous
  • anonymous
mistake is here
1 Attachment
anonymous
  • anonymous
PoofyPenguin
  • PoofyPenguin
Let me give it a try.
PoofyPenguin
  • PoofyPenguin
Yep! That was correct! Could you please explain what I did wrong? Where did the 20x^3 go?
anonymous
  • anonymous
see here :http://assets.openstudy.com/updates/attachments/50888f89e4b004fc96eb7b9e-sheldoneinstein-1351133302485-capture.jpg
anonymous
  • anonymous
You wrote \[\large{-40x^3}\] instead of -2 ... and that is the MISTAKE.
PoofyPenguin
  • PoofyPenguin
Alright! I see it now! Thanks so much for all of your help! :D
anonymous
  • anonymous
No problem.

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