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Home > A2C > Chapter 9 > Lesson 9.3.2 > Problem 9-149


Given the equation .

  1. Verify that is a solution.

    Substitute into the equation for every .

  2. What is one factor of ?

    Use the value for x given in problem a to calculate the factor.

  3. Use (b) to find another factor.

    Try using a generic rectangle.

  4. What are all the solutions of ?

    See part (a) for one solution.

    Use the quadratic formula to find the other solutions in the equation x2 − 4x − 1.