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Simplfying rational expressions

  1. Nov 12, 2009 #1
    1. The problem statement, all variables and given/known data

    6x (squared) +17x+7
    _________________
    2x sqaured + 7x +3

    2. Relevant equations

    Simplify

    3. The attempt at a solution

    3x+7 is the answer
    ____
    x+3
    maybe u can factor 6x by doing 2x (3x) or maybe u dont do that and take 6x (squared +17
    _____________
    2x squared +7
    im not sure
     
  2. jcsd
  3. Nov 12, 2009 #2

    Mark44

    Staff: Mentor

    Do you know how to factor trinomials into two binomial factors? That's the key to this problem.

    6x2 + 17x + 7 = (2x + ?)(3x + ?)

    2x2 + 7x + 3 = (2x + ?)(x + ?)

    Fill in the question marks.
     
  4. Nov 12, 2009 #3
    6x2 + 17x + 7 = (2x + ?)(3x + ?)

    2x2 + 7x + 3 = (2x + ?)(x + ?)



    (2x + 1) (3x+7)

    (2x +1)(x + 3)

    ok nice thanks alot
     
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