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Math Help - radical question

  1. #1
    Senior Member
    Joined
    Oct 2008
    Posts
    323

    radical question

    1. Which is the most simplified form of (1+radical3)(2-radical5)

    a)2+2radical3-radical20
    B)2-radical5+2radical3-radical15
    c)-13+2radical3-radical5
    D)2-2radical17
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  2. #2
    Member
    Joined
    Sep 2008
    Posts
    120

    radical question

    Your answer choice is B

    You need to double distribute

    so you have
    1*2
    -radical5
    +2radical3
    -radical15

    you can also use a calculator type the expressions into your calculator and then type the answers into the calculator and see what values match then that is your answer
    Last edited by IDontunderstand; November 9th 2008 at 04:02 PM. Reason: help w/ ?
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