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anonymous

  • 4 years ago

help, z(c+5)-8(5+c)

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  1. KatrinaKaif
    • 4 years ago
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    Distribute z zc + 5z Now distribute -8 -40 - 8c Giving us: zc + 5z - 40 - 8c

  2. anonymous
    • 4 years ago
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    omg, i can't figure these out for the life for of me.

  3. KatrinaKaif
    • 4 years ago
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    Ok, lets take this step by step.

  4. anonymous
    • 4 years ago
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    thanks.

  5. KatrinaKaif
    • 4 years ago
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    Looking at the equation given, we have to use the distributive property. What can we distribute here?

  6. anonymous
    • 4 years ago
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    z or -8

  7. anonymous
    • 4 years ago
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    |dw:1327199125344:dw|

  8. anonymous
    • 4 years ago
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    wait let absorb this?

  9. KatrinaKaif
    • 4 years ago
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    z AND -8 When we distribute z to (c + 5) we get?

  10. anonymous
    • 4 years ago
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    zc+5z

  11. KatrinaKaif
    • 4 years ago
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    Right! Now lets distribute -8 to (5 + c)

  12. KatrinaKaif
    • 4 years ago
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    And we get?

  13. anonymous
    • 4 years ago
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    k. -40-8c

  14. KatrinaKaif
    • 4 years ago
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    Now lets put it all together, to get?

  15. anonymous
    • 4 years ago
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    (zc+5z)(-40-8)

  16. anonymous
    • 4 years ago
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    oops (zc+5z)(-40-8c)

  17. KatrinaKaif
    • 4 years ago
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    Dont forget, its ( -40 - 8c) Since that cannot be simplified further, that will cluded to be our answer.

  18. KatrinaKaif
    • 4 years ago
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    *Conclude

  19. anonymous
    • 4 years ago
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    ok i checked the book and the answer is (c+5)(z-8)

  20. KatrinaKaif
    • 4 years ago
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    What were the directions to this problem? Because the way you wrote it, Baala and I cocnluded to t he same answer.

  21. anonymous
    • 4 years ago
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    i know i got that also hold on.... it is factoring polynomials.

  22. KatrinaKaif
    • 4 years ago
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    Haha, then this would be solved in a different more convulted way.

  23. anonymous
    • 4 years ago
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    u understand it. by the way thanks for your help.

  24. KatrinaKaif
    • 4 years ago
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    Well its quite easy actually. Your original question was: z ( c+ 5 ) - 8 (5 + c) You see how the expressions in the paranthesis are the same? They are both ( c + 5) right? Therefore, it creates one portion of this factorial polynomial. ( c + 5) Now you see the constants outside the paranthesis? Lets put those "together" to get z - 8 Correct? This creates another portion of the factorial polynomial. (z - 8) Put these both together and you get the answer to be: (z - 8 ) ( c+ 5)

  25. KatrinaKaif
    • 4 years ago
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    Anytime sweetie =)

  26. anonymous
    • 4 years ago
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    o. o. see that makes sense... lol

  27. KatrinaKaif
    • 4 years ago
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    Haha ;)

  28. anonymous
    • 4 years ago
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    omg, it has been 20+ yrs since i have dona any algebra... a bit rusty... lol

  29. KatrinaKaif
    • 4 years ago
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    Well then you must be quite older than me! :P

  30. KatrinaKaif
    • 4 years ago
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    Keep intact with Openstudy to revive the past lessons on Algebra

  31. anonymous
    • 4 years ago
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    lol yeah i am up there... lol thanks sooooo much...

  32. KatrinaKaif
    • 4 years ago
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    No problemo =D the pleasure is mine

  33. anonymous
    • 4 years ago
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    z(c+5) - 8(5+c)= (z - 8) (5+c)

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