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qwertyfreak

  • 2 years ago

Look at drawing... Multiply and simplify.

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  1. qwertyfreak
    • 2 years ago
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    |dw:1336407343381:dw|

  2. jhonyy9
    • 2 years ago
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    how can you factoriz x^2 -4 and x^2 -1 ?

  3. jhonyy9
    • 2 years ago
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    know you this :a^2 -b^2 =(a-b)(a+b)

  4. qwertyfreak
    • 2 years ago
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    idk its just the question, and it doesn't say factorize, just multiply and simplify

  5. jhonyy9
    • 2 years ago
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    yes i know but if you factoriz you will can easy simplify it

  6. jhonyy9
    • 2 years ago
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    (x-2)(x+2) x+1 ---------- * ----- = (x-1)(x+1) x+2

  7. jhonyy9
    • 2 years ago
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    can you continue ?

  8. jhonyy9
    • 2 years ago
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    can you simplifie it now ?

  9. qwertyfreak
    • 2 years ago
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    no im stuck

  10. jhonyy9
    • 2 years ago
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    because in numerator there is (x+2) and x+1 and these are in denominator too so hence you can simplifie these terms - yes ?

  11. jhonyy9
    • 2 years ago
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    so after you will simplifie these terms what will remain there ?

  12. jhonyy9
    • 2 years ago
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    x-2 ---- x-1 - these will remain - right ?

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