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jadi Group Title

4a^3/5x^2+2n/x^4 simplify

  • one year ago
  • one year ago

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  1. jefftheloveableguy Group Title
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    i cant solve that it's an expression

    • one year ago
  2. jadi Group Title
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    i just want to simplify this

    • one year ago
  3. ayushprasad Group Title
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    |dw:1356630447159:dw|

    • one year ago
  4. jadi Group Title
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    i cannot understand this could u please write it clearly

    • one year ago
  5. ayushprasad Group Title
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    (4a^3x^4+10x^2n)/5x^6

    • one year ago
  6. jadi Group Title
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    and after that?

    • one year ago
  7. cwrw238 Group Title
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    you can simplify the top of the fraction by factorization 4a^3x^4+10x^2n - you need to find the gcf of the above 2 terms can you do that?

    • one year ago
  8. jadi Group Title
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    no could u pls tell how to find it

    • one year ago
  9. cwrw238 Group Title
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    the gcf is the greatest common factor piecewise we can can write factor of 4 and 10 = 2 because 2 is the greatest number which divides exactly into 4 and 10 do you follow that?

    • one year ago
  10. jadi Group Title
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    and x^2 also but how will it go further

    • one year ago
  11. cwrw238 Group Title
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    right thats as far as we can go so if we divide the gcf 2x^2 into the top bit we get 4a^3x^4 / 2x^2 = 2a^3x^2 and 10x^2n / 2x^2 = 5n so 4a^3x^4+10x^2n = 2x^2(2a^3x^2 + 5n)

    • one year ago
  12. cwrw238 Group Title
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    finally putting it all together we have 2x^2(2a^3x^2 + 5n) ----------------- 5x^6 dividing top and bottom by x^2: = 2(2a^3x^2 + 5n) -------------- 5x^4

    • one year ago
  13. jadi Group Title
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    and thats all??

    • one year ago
  14. cwrw238 Group Title
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    yea

    • one year ago
  15. cwrw238 Group Title
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    the last step was necessary because ayushprasad didn't use the lcm as the denominator the lcm (lowest common denominator) of 5x^2 and x^4 is actually 5x^4 not 5x^6

    • one year ago
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