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Thread: Help with finishing problem. Multiplying powers

  1. July 28th 2010, 11:26 PM #1
    superduper1
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    Help with finishing problem. Multiplying powers

    g(x)= (3+4x)^5*(3+x-x^2)^6
    g'(x)=5(3+4x)^4(4) *(3+x-x^2)^6 + 6(3+x-x^2)^5(1-2x)*(3+4x)^5
    Please explain steps of how to finish this
    Last edited by superduper1; July 29th 2010 at 12:09 AM.
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  2. July 29th 2010, 12:20 AM #2
    Unknown008
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    Try to factorise what is common to simplify.

    There is the (3+4x) and (3+x-x^2) which are common.
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  3. July 29th 2010, 07:29 PM #3
    superduper1
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    answer
    (3+4x)^4 (3+x-x^2)^5 (78+8x-68x^2)
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  4. July 30th 2010, 12:52 AM #4
    Unknown008
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    Well done!
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