Results 1 to 6 of 6

Math Help - How to factor?

  1. #1
    Newbie
    Joined
    Sep 2011
    Posts
    8

    How to factor?

    How do I factor an equation like this:

    7(x-3)^3 -2(x-3)^2 -5(x-3)

    ?
    Follow Math Help Forum on Facebook and Google+

  2. #2
    MHF Contributor

    Joined
    Aug 2006
    Posts
    18,390
    Thanks
    1476
    Awards
    1

    Re: How to factor?

    Quote Originally Posted by tmac20 View Post
    How do I factor an equation like this:
    7(x-3)^3 -2(x-3)^2 -5(x-3)
    Can you factor 7y^3-2y^2-5y~?
    If so, let y=(x-3).
    Follow Math Help Forum on Facebook and Google+

  3. #3
    Newbie
    Joined
    Sep 2011
    Posts
    8

    Re: How to factor?

    Quote Originally Posted by Plato View Post
    Can you factor 7y^3-2y^2-5y~?
    If so, let y=(x-3).
    Thanks, does this sound right:

    (x-3)[7(x-3)+5][(x-3)-1]
    Follow Math Help Forum on Facebook and Google+

  4. #4
    MHF Contributor

    Joined
    Aug 2006
    Posts
    18,390
    Thanks
    1476
    Awards
    1

    Re: How to factor?

    Quote Originally Posted by tmac20 View Post
    Thanks, does this sound right:

    (x-3)[7(x-3)+5][(x-3)-1]
    (x-3)[7(x-3)+5][(x-3)-1]=(x-3)(7x-16)(x-4)
    Follow Math Help Forum on Facebook and Google+

  5. #5
    Newbie
    Joined
    Sep 2011
    Posts
    8

    Re: How to factor?

    Quote Originally Posted by Plato View Post
    (x-3)[7(x-3)+5][(x-3)-1]=(x-3)(7x-16)(x-4)
    Thanks, can you help with with one more problem:
    Factor:
    x^2 -8x-4y^2 +12-8y

    I've gotten this far:
    (x-6)(x-2) -4y(y+2)

    Can I factor even more from there?
    Follow Math Help Forum on Facebook and Google+

  6. #6
    MHF Contributor Siron's Avatar
    Joined
    Jul 2011
    From
    Norway
    Posts
    1,250
    Thanks
    20

    Re: How to factor?

    Consider x^2-8x-4y^2-8y+12 as a quadratic expression in x, so use the quadratic formula to factore the expression.
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. Replies: 0
    Last Post: July 19th 2011, 11:45 AM
  2. factor analysis , extract second factor loading
    Posted in the Advanced Statistics Forum
    Replies: 0
    Last Post: June 1st 2011, 05:17 AM
  3. factor analysis , extract second factor loading
    Posted in the Differential Geometry Forum
    Replies: 0
    Last Post: May 30th 2011, 05:29 AM
  4. Factor 3x^2 +2x -6
    Posted in the Algebra Forum
    Replies: 8
    Last Post: October 11th 2009, 10:12 AM
  5. How do i factor this?
    Posted in the Algebra Forum
    Replies: 4
    Last Post: September 18th 2008, 02:45 PM

Search Tags


/mathhelpforum @mathhelpforum