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allyza_obico

  • 4 years ago

by foil method: (15x + 7y) (15x-7y)

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  1. fiddlearound
    • 4 years ago
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    where are you stuck with it ?

  2. fiddlearound
    • 4 years ago
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    would you like to try, so we see where the difficulty is ?

  3. allyza_obico
    • 4 years ago
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    ??

  4. allyza_obico
    • 4 years ago
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    i need a answer plss

  5. Mimi_x3
    • 4 years ago
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    225x^2 - 49y^2

  6. fiddlearound
    • 4 years ago
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    http://www.algebrahelp.com/lessons/simplifying/foilmethod/pg2.htm

  7. allyza_obico
    • 4 years ago
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    with solution plss

  8. successboye79
    • 4 years ago
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    arctan(-1)

  9. Mimi_x3
    • 4 years ago
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    http://www.wolframalpha.com/input/?i=%2815x+%2B+7y%29+%2815x-7y%29

  10. fiddlearound
    • 4 years ago
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    Mimi , wolfram didn't use FOIL though :)

  11. Mimi_x3
    • 4 years ago
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    lols i know, its obvious that she just wanted the answer (:

  12. fiddlearound
    • 4 years ago
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    allyza do you want to try doing the FOIL method ?

  13. fiddlearound
    • 4 years ago
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    First Outer Inner Last Only 4 easy things to do ...

  14. fiddlearound
    • 4 years ago
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    we can do it step by step , if you want to

  15. fiddlearound
    • 4 years ago
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    and we even know what the answer will be in the end :)

  16. Mimi_x3
    • 4 years ago
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    |dw:1316602830211:dw|

  17. autumn.epic
    • 4 years ago
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    (15x + 7y) (15x-7y) (F) 15x * 15x = __ (O) 15x * -7y = __ (add this one...) (I) 7y * 15x =__ (...and this one together for your xy value.) (L) 7y * -7y =__ so, F (+/-) O+I (+/-) L

  18. Mimi_x3
    • 4 years ago
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    225x^2 - 49y^2 btw

  19. fiddlearound
    • 4 years ago
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    |dw:1316603089681:dw|

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