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simplify / factor this for me please?

For some reason the answers in the book don't match up with the answer I'm getting... even though I know it's right.

Simplify this please.

3a^3(16-a^2)

--------------------------

12a^6(a^2-9a+20)

4 Answers

Relevance
  • 1 decade ago
    Favorite Answer

    (a+4)/4a^3(a-5)

  • 4 years ago

    a million. something to the 0 (^0) is = to a million. So no count form what's indoors the parenthesis the respond would be a million. 2. The GCF of 12X^4 and 6X^3 is complication-loose. all you're able to do is injury each and every ingredient down. x^4 has factors of x^4, x^2, and x^a million x^3 has factors of x^3 and x^a million comparable ingredient for the coefficients 12 has factors 12, 6, 4, 3, 2, a million 6 has factors 6, 3, 2, a million hence the respond is 6x^a million

  • Anonymous
    1 decade ago

    a+4

    ----------

    4a^3(a-5)

    thats what I got, I think it's right ....

  • L. G
    Lv 4
    1 decade ago

    a^(4-a)*(4+a))

    -------------------- =

    4a^6(a-4)(a-5)

    1

    --------------------------

    [4a^6(a-4)(a-5)][a^(a-4)(4+a)] =

    1

    ---------------------

    4a^(a-4)[(6a-30)+(4+a)] =

    1

    -------------------

    4a^(a-4)(7a-26)

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