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11-33.

Find the real solutions to the equations below using any method of your choice.

  1.   

    Rewrite the equation in standard form.



    Solve by Zero Product Property:

    Factor the equation:

    Get the roots from the factors.




    Solve by Quadratic Formula:

    In the quadratic formula, substitute the coefficient of for , the coefficient of for , and the third term for .

    Simplify.

  2.   

    See the help for part (a).

    This quadratic is not factorable. What happens when you use the other two methods? Are there any real solutions?