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anonymous

  • one year ago

NEED HELP ASAP!!!!! Simplify: 21. (-y + 4)(2y - 1)

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  1. anonymous
    • one year ago
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    is there multiple choice?

  2. anonymous
    • one year ago
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    Yes. A. 2y^2 + 7y + 3 B. 2y^2 + 5y - 4 C. -2y^2 + 9y - 4 D. -2y^2 + 6y + 3

  3. anonymous
    • one year ago
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    Well, what I usually do is I replace the "y" with a number (5 usually). Then I solve the problem and the multiple choices. If one of the multiple choices matches the problem then that is the answer. If that is too confusing then I will explain it better. :)

  4. anonymous
    • one year ago
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    Please explain.

  5. anonymous
    • one year ago
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    Ok. Write down the problem on paper, but replace the "y" with the number 5.

  6. anonymous
    • one year ago
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    (-5 + 4)(2*5 - 1)

  7. anonymous
    • one year ago
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    Good! Now I believe you can solve this, right?

  8. anonymous
    • one year ago
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    Not really. Having to do three things at once. But would the answer be C?

  9. anonymous
    • one year ago
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    I will check.

  10. anonymous
    • one year ago
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    Yes, the answer is C. Great Job!! :)

  11. anonymous
    • one year ago
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    Thank you for all your help. You have been more than helpful.

  12. anonymous
    • one year ago
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    Aww. You're welcome! Technically speaking you found the answer! ;)

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spraguer (Moderator)
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