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Math Help - Just some basic factoring problems

  1. #1
    Newbie
    Joined
    Jan 2008
    Posts
    2

    Just some basic factoring problems

    I took a break for 2 semesters away from math and it has turned out to be a big mistake. I can't even remember basic factoring.

    I need an explanation on how to solve these problems or if you don't have the time, just solve them for me and i'll figure them out:

    Factor completely -

    4w + 12 - zw - 3z

    9r + 24t

    2p(p is cubed) + 8p(p is squared) - 10p

    t(squared) - 100

    b(cubed) - 27

    Solve:

    z(squared) + 11z + 24 = 0

    25x(x is squared) + 4 = 20x

    Thanks
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  2. #2
    dreich8688
    Guest

    Examples

    Search for highest common denominator and factor
    9r + 24t in this case 3......(9r + 24tz)/3 = 3(3r +8z)

    4w + 12 - zw - 3z combine terms to divide by HCD

    (4w-zw)/w + (12-3z)/3 =

    w(4-z) + 4(3-z)

    The trick is looking for like terms and reducing by the hCD
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  3. #3
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    bump
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