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Geometry_Hater Group Title

How the heck do you expand 2x - y^7?

  • one year ago
  • one year ago

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  1. Geometry_Hater Group Title
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    (2x - y) ^7 i meant

    • one year ago
  2. Argos Group Title
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    Foil it out

    • one year ago
  3. precal Group Title
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    or use pascal's triangle

    • one year ago
  4. Geometry_Hater Group Title
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    i dont know how to use pascals triangle properly

    • one year ago
  5. Geometry_Hater Group Title
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    I dont know what numbers to use for it really.

    • one year ago
  6. precal Group Title
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    have you been shown pascal's triangle, this usually happens in algebra 2 or precal

    • one year ago
  7. precal Group Title
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    |dw:1357255357277:dw|

    • one year ago
  8. Geometry_Hater Group Title
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    yes i've seen the triangle but im unsure which row of numbers im using

    • one year ago
  9. precal Group Title
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    we need the 7th row 1 7 21 35 35 21 7 1

    • one year ago
  10. precal Group Title
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    |dw:1357255487760:dw|lets go back to one you know (x+y)^2

    • one year ago
  11. precal Group Title
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    |dw:1357255543811:dw|do you see the pattern?

    • one year ago
  12. Geometry_Hater Group Title
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    i see

    • one year ago
  13. precal Group Title
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    |dw:1357255613641:dw||dw:1357255598900:dw|

    • one year ago
  14. precal Group Title
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    notice what is happening to x x^2, x^1, x^0 notice what is happenting to y y^0, y^1, y^2

    • one year ago
  15. precal Group Title
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    we will use the same patter for your problem

    • one year ago
  16. Geometry_Hater Group Title
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    so the power of x goes down while the power of y goes up?

    • one year ago
  17. precal Group Title
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    yes

    • one year ago
  18. precal Group Title
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    |dw:1357255801781:dw|

    • one year ago
  19. precal Group Title
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    |dw:1357255969026:dw|

    • one year ago
  20. precal Group Title
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    |dw:1357256006811:dw|ok just simplify it now

    • one year ago
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