Results 1 to 2 of 2

Math Help - math help solve radical

  1. #1
    shag1818
    Guest

    math help solve radical

    I have a problem that I can't seem to solve, and its driving me crazy.

    Here it is:

    Simplify:

    x times the square root of 7 plus 4 = 2x

    Thanks in advance for some hints on how to solve this
    Follow Math Help Forum on Facebook and Google+

  2. #2
    Global Moderator

    Joined
    Nov 2005
    From
    New York City
    Posts
    10,616
    Thanks
    9
    Quote Originally Posted by shag1818 View Post
    I have a problem that I can't seem to solve, and its driving me crazy.

    Here it is:

    Simplify:

    x times the square root of 7 plus 4 = 2x

    Thanks in advance for some hints on how to solve this
    x*sqrt(7)+4 = 2x

    2x - x*sqrt(7) = 4

    x(2-sqrt(7)) = 4

    x= 4/(2-sqrt(7))
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. is this a way to solve a radical equation?
    Posted in the Algebra Forum
    Replies: 3
    Last Post: April 16th 2011, 08:14 AM
  2. [SOLVED] Radical Equation to standard form trinomial (with math code)
    Posted in the Pre-Calculus Forum
    Replies: 4
    Last Post: October 11th 2010, 05:34 PM
  3. Solve the radical equation
    Posted in the Algebra Forum
    Replies: 4
    Last Post: February 8th 2010, 02:13 PM
  4. Solve this radical equation
    Posted in the Algebra Forum
    Replies: 5
    Last Post: September 22nd 2009, 09:38 PM
  5. solve radical expression
    Posted in the Algebra Forum
    Replies: 7
    Last Post: March 16th 2008, 07:39 PM

Search Tags


/mathhelpforum @mathhelpforum