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Math Help - Help please

  1. #1
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    Jul 2008
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    Red face Help please

    square root of 27 plus square root of 48 minus square root of 12

    27 is broken down to square root of 9 and square root of 3

    square root of 48 broke down to square root of 8 and square root of 6

    the square root of 12 is broken down to square root of 4 and square root of 3

    which then breaks down to 2 square root of 3


    okay...

    9 square root of 3 is broken down to 3 square root of 3 plus 2 square root of 2 minus 2 square root of 3

    what is next?
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  2. #2
    Super Member
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    Jun 2008
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    \sqrt{27} + \sqrt{48} - \sqrt{12}

    1. \sqrt{3 \cdot 3 \cdot 3} + \sqrt{2 \cdot 2 \cdot 2 \cdot 2 \cdot 3} - \sqrt{4 \cdot 3}
    2. 3\sqrt{3} + 4\sqrt{3} - 2\sqrt{3}
    3. 5\sqrt{3}
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  3. #3
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    Quote Originally Posted by Chop Suey View Post
    \sqrt{27} + \sqrt{48} - \sqrt{12}

    1. \sqrt{3 \cdot 3 \cdot 3} + \sqrt{2 \cdot 2 \cdot 2 \cdot 2 \cdot 3} - \sqrt{4 \cdot 3}
    2. 3\sqrt{3} + 4\sqrt{3} - 2\sqrt{3}
    3. 5\sqrt{3}
    Thank you
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