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Thread: Pre-cal factoring

  1. September 19th 2012, 06:36 PM #1
    Diotes
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    Question Pre-cal factoring

    Can you factor this?

    X^3-64
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  2. September 19th 2012, 06:43 PM #2
    MarkFL
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    Re: Pre-cal factoring

    Hint: Try expressing 64 as a cube, then use the difference of cubes formula.
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  3. September 19th 2012, 06:44 PM #3
    HallsofIvy
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    Re: Pre-cal factoring

    (a- b)(a^2+ ab+ b^2)= a^3- b^3

    64= 4^3
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