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anonymous

  • one year ago

Evaluate the following expression using the values given: Find -a^2 - 3b^3 + c^2 + 2b^3 - c^2 if a = 3, b = 2, and c = -3

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  1. anonymous
    • one year ago
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    ik lol but i got lost after i did that step

  2. anonymous
    • one year ago
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    -(3)2 - 3(2)3 + (-3)2 + 2(2)3 - (-3)2 is the equation after you substitute the values for its corresponding letter

  3. anonymous
    • one year ago
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    oh wait hang on lol

  4. anonymous
    • one year ago
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    sorry look at the q again pls :/

  5. Astrophysics
    • one year ago
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    \[-(3)^2-3(2)^3+(-3)^2+2(2)^2 = ?\]

  6. anonymous
    • one year ago
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    yes

  7. Astrophysics
    • one year ago
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    Ok what did you get

  8. anonymous
    • one year ago
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    i got lost in that step :/

  9. Astrophysics
    • one year ago
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    What step, all we have to do is plug in the values then evaluate

  10. anonymous
    • one year ago
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    the evaluating part

  11. Astrophysics
    • one year ago
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    \[(3)^2 = (3)(3),~~~~(2)^3 = (2)(2)(2)\]

  12. Astrophysics
    • one year ago
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    That's what it means

  13. anonymous
    • one year ago
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    ik

  14. Astrophysics
    • one year ago
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    Ok so you can write it out like that, try evaluating it now

  15. anonymous
    • one year ago
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    ok

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