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Home > CCG > Chapter 12 > Lesson 12.1.3 > Problem 12-41

12-41.

The equations below are the types of equations that you will need to be able to solve automatically in a later course. Try to solve these in minutes or less. The solutions are provided after problem 12-46 for you to check your answers.  

  1.  

    Add to both sides.

  1.  

    Remember that is a perfect square, and there are two answers.

    or

  1.  

    Distribute before simplifying.

  1.  

    Multiply by the denominator.

  1.  

    Set equal to zero, then factor.

    ,

  1.  

    Which numbers make this true?

    or