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anonymous

  • one year ago

Reduce algebraic fraction

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  1. anonymous
    • one year ago
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    ok idk how to use the equation thing one here...

  2. anonymous
    • one year ago
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    x-1 over x^2-1 times x-1 over x^2-y^2

  3. triciaal
    • one year ago
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    you can use the draw below

  4. anonymous
    • one year ago
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    |dw:1441906614985:dw|

  5. triciaal
    • one year ago
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    |dw:1441906611271:dw|

  6. triciaal
    • one year ago
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    do you recognize the difference of 2 squares?

  7. anonymous
    • one year ago
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    nope it's x-y for the first numerator sorry.

  8. anonymous
    • one year ago
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    not really

  9. triciaal
    • one year ago
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    |dw:1441906684516:dw|

  10. anonymous
    • one year ago
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    Oh so |dw:1441906755328:dw|

  11. triciaal
    • one year ago
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    |dw:1441906738829:dw|

  12. anonymous
    • one year ago
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    |dw:1441906818261:dw| correct?

  13. anonymous
    • one year ago
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    like cancelling out

  14. triciaal
    • one year ago
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    yes

  15. anonymous
    • one year ago
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    so what next? All I see left is x+1 and x+y

  16. triciaal
    • one year ago
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    |dw:1441906889918:dw|

  17. anonymous
    • one year ago
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    how'd you get that?

  18. triciaal
    • one year ago
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    the top is 1 and what you see is the bottom I multiplied it out

  19. anonymous
    • one year ago
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    oh is that FOIL?

  20. triciaal
    • one year ago
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    in practice yes using the distributive property

  21. anonymous
    • one year ago
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    K, I know FOIL so I think I got it. Thank a lot!

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