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anonymous

  • one year ago

2x^2+15x-38

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  1. TheSmartOne
    • one year ago
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    And what about that...?

  2. anonymous
    • one year ago
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    Unsimplify

  3. pooja195
    • one year ago
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    Factor?

  4. anonymous
    • one year ago
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    Yeah

  5. pooja195
    • one year ago
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    |dw:1435793121786:dw|

  6. pooja195
    • one year ago
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    \[\huge~\rm~2x^2+15x-38\] x=2 b=15 c=-38 \[\huge~\rm~2\times-38=?\]

  7. anonymous
    • one year ago
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    -76

  8. anonymous
    • one year ago
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    4 and 15

  9. pooja195
    • one year ago
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    Good :) |dw:1435793307274:dw| What numbers multiply to make -76 but add to make 36?

  10. anonymous
    • one year ago
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    where did you get 36 from

  11. pooja195
    • one year ago
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    ?

  12. anonymous
    • one year ago
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    you said "What numbers multiply to make -76 but add to make 36? "

  13. pooja195
    • one year ago
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    oops hold on

  14. anonymous
    • one year ago
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    and I thought we had to find the numbers that multiple to -76 and had a sum of 15

  15. pooja195
    • one year ago
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    Oh right >_< im sorry! :( |dw:1435793524098:dw|

  16. anonymous
    • one year ago
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    haha its okay, 19 and 4

  17. pooja195
    • one year ago
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    19 and 4 are correct BUT it would be -4 :) 19 and -4 now we do some grouping :) \[\huge~\rm~(2x^2-4x)+(19x-(-38))\] \[\huge~\rm~(2x^2-4x)+(19x+38)\]

  18. pooja195
    • one year ago
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    find the GCF of each and divide

  19. anonymous
    • one year ago
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    divide?

  20. anonymous
    • one year ago
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    Ok, I got (2x+19)(x-2)

  21. pooja195
    • one year ago
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    Thats correct! :)

  22. anonymous
    • one year ago
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    wooo! thanks for the help

  23. pooja195
    • one year ago
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    No probs let me know if you need more help ^-^

  24. anonymous
    • one year ago
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    Hey, @pooja195 can you actually help me on one more?

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