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Facatoring completely
are they right. corrected if wrong

  • algebra -

    The first one is the difference of cubes
    a^3 - b^3 = (a-b)(a^2 + ab + b^2)

    8y^3 - 27
    = (2y-3)(4y^2 + 6y + 9)

    the second doesn't factor over the real numbers.

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