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PoofyPenguin

  • 3 years ago

Something's wrong...could someone please check my work? Attachments to come...

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  1. PoofyPenguin
    • 3 years ago
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    Here's the question:

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  2. PoofyPenguin
    • 3 years ago
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    Here's the work that I've done:

  3. PoofyPenguin
    • 3 years ago
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    Only one of the part's is wrong, but I'm not sure which one or what I did wrong...

  4. PoofyPenguin
    • 3 years ago
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    Could anyone help me?

  5. SheldonEinstein
    • 3 years ago
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    Yes I am checking it.

  6. PoofyPenguin
    • 3 years ago
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    Thanks so much! I've been waiting all night! :D

  7. SheldonEinstein
    • 3 years ago
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    There will be -40x^3 ? Last one

  8. SheldonEinstein
    • 3 years ago
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    instead of -800x^6 there may be -40x^3

  9. SheldonEinstein
    • 3 years ago
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    @PoofyPenguin What do you think? I am rechecking my soln ... wait for 5 min.

  10. PoofyPenguin
    • 3 years ago
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    I think that I made the mistake in that area but what about the 20x^3?

  11. SheldonEinstein
    • 3 years ago
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    Yes...

  12. SheldonEinstein
    • 3 years ago
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  13. SheldonEinstein
    • 3 years ago
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    mistake is here

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  14. SheldonEinstein
    • 3 years ago
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    @PoofyPenguin

  15. PoofyPenguin
    • 3 years ago
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    Let me give it a try.

  16. PoofyPenguin
    • 3 years ago
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    Yep! That was correct! Could you please explain what I did wrong? Where did the 20x^3 go?

  17. SheldonEinstein
    • 3 years ago
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    You wrote \[\large{-40x^3}\] instead of -2 ... and that is the MISTAKE.

  18. PoofyPenguin
    • 3 years ago
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    Alright! I see it now! Thanks so much for all of your help! :D

  19. SheldonEinstein
    • 3 years ago
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    No problem.

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