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    lulabell97's Avatar
    lulabell97 Posts: 2, Reputation: 1
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    #1

    Jun 20, 2012, 12:21 PM
    Help! Simplifying algebraic fractions
    Simplify fully:
    15x3 y2
    ___________
    5xy
    lulabell97's Avatar
    lulabell97 Posts: 2, Reputation: 1
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    #2

    Jun 20, 2012, 12:24 PM
    by the way the x is the algebraic one not times and the 2 and 3 in the numerator are meant to be power numbers
    ebaines's Avatar
    ebaines Posts: 12,131, Reputation: 1307
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    #3

    Jun 21, 2012, 06:54 AM
    When you divide a number raised to a power by that same number raised to a different power the result is that number raised to the difference of the two powers:



    For example:



    You can apply this principle to the x and y terms in your homework problem. As for the 15 in the numerator and 5 in the denominator - I will assume that you know what 15 divided by 5 is.

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