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anonymous

  • 5 years ago

8x(5-4x)^3 +33x^2(5-4x)^2 / (5-4x)^6 reduce the following fraction to its lowest terms. An explanation at how you arrived at the answer please ty :)

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  1. anonymous
    • 5 years ago
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    here is a screen shot of the problem to make it easier

  2. anonymous
    • 5 years ago
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    x(5-4x)^2[8(5-4x)+33x]/(5-4x)^4

  3. anonymous
    • 5 years ago
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    x[40-32x+33x]/(5-4x)^4 =x[40+x]/(5-4x)^4

  4. anonymous
    • 5 years ago
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    That is what I have.

  5. anonymous
    • 5 years ago
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    did you have to factor the numerator first?

  6. anonymous
    • 5 years ago
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    Factor out a (5-4x)^2 on the numerator, and remove exponents with the denominator

  7. anonymous
    • 5 years ago
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    x[40-32x+33x]/(5-4x)^4 =x[40+x]/(5-4x)^4

  8. anonymous
    • 5 years ago
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    but when you are factoring the numerator there is a 5-4x^3 and a 5-4x^2

  9. anonymous
    • 5 years ago
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    Oh i get it. Thanks!

  10. anonymous
    • 5 years ago
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    click on good ans ...no thnx

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spraguer (Moderator)
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