Algebra

posted by Mari

How do I factor this, Please help me.9w-w^3

  1. Damon

    w (9-w^2)

    second factor is difference of squares
    in general a^2-b^2 = (a-b)(a+b)
    so

    w (3-w)(3+w)
    or
    -w (w-3)(w+3)

  2. Mari

    Sorry Damon, I thought I was overlooked..I appreciate the help Thank you!!!

  3. Damon

    You are welcome.

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