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I have to simplify 3y^2-12y/9y^3, I just can't seem to figure out how to simplify the 9y^3.

  • Math -

    I assume the problem is
    (3y^2) - (12y/y^3) =
    Then you handle the second term:
    -12y/9y^3 =
    divide 12 and 9 by 3 to give
    -4y/3y^3
    then divide y in the numerator into y^3 in the denominator to give
    -4/3y^2.
    You may want to move the 3y^2 out from the denominator; if so, just multiply the entire equation by 3y^2.

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