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anonymous

  • one year ago

Solving, this is the way my teacher taught me.

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  1. triciaal
    • one year ago
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    what did you learn?

  2. anonymous
    • one year ago
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    Im confused because the -2 has to be negative but it cant because -3+-2 is -5 and it has to be -5x

  3. anonymous
    • one year ago
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    This is factoring

  4. anonymous
    • one year ago
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    Heres an example

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  5. triciaal
    • one year ago
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    now I am totally confused because I really don't see the question

  6. anonymous
    • one year ago
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    Its solving by factoring, i dont know how to explain

  7. anonymous
    • one year ago
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    all it says is solve

  8. anonymous
    • one year ago
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    its just confusing

  9. triciaal
    • one year ago
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    i can help you with factoring

  10. anonymous
    • one year ago
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    i can factor, but the problem is confusing because i have to get something that multiplies to -2 and something that gives me -5x and then 3x^2

  11. triciaal
    • one year ago
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    |dw:1441518101553:dw|

  12. anonymous
    • one year ago
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    3x^2 - 5x - 2 = 0

  13. anonymous
    • one year ago
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    |dw:1441518212337:dw| not sure if this making sense lol

  14. triciaal
    • one year ago
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    identify a, b, c

  15. anonymous
    • one year ago
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    a = 3 b = -5 c = -2

  16. triciaal
    • one year ago
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    if you calm down I can walk you through then answer any questions or

  17. anonymous
    • one year ago
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    okay :)

  18. triciaal
    • one year ago
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    identify a, b and c

  19. anonymous
    • one year ago
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    a = 3 b = -5 and c = -2 right?

  20. triciaal
    • one year ago
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    what is a* c

  21. anonymous
    • one year ago
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    -6

  22. triciaal
    • one year ago
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    what are the factors af a*c that add up to b and pay attention to the signs

  23. anonymous
    • one year ago
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    -6 + 1

  24. triciaal
    • one year ago
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    now rewrite the original but split b into its components

  25. triciaal
    • one year ago
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    separate into 2 groups that will have common factors and factor each of the 2 groups

  26. triciaal
    • one year ago
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    the 2 groups have a common factor use the distributive property and rewrite

  27. anonymous
    • one year ago
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    ok :_

  28. anonymous
    • one year ago
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    i understand it now! thanks :)

  29. triciaal
    • one year ago
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    |dw:1441519111269:dw|

  30. triciaal
    • one year ago
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    great

  31. anonymous
    • one year ago
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    thanks for your help!

  32. triciaal
    • one year ago
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    you are welcome (as long as you calm down)

  33. triciaal
    • one year ago
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    math is fun keep practicing and it becomes very easy

  34. triciaal
    • one year ago
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    all the best

  35. anonymous
    • one year ago
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    I will :) ty.

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spraguer (Moderator)
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