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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 10 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