Provide an Appropriate Response $x ^ { 2 } - 4 x - 6 = 0$

question 111

Multiple Choice

Provide an appropriate response.
-Which one of the following methods cannot be used to solve the equation $x ^ { 2 } - 4 x - 6 = 0$

• A) All of the methods can be used.
• B) Quadratic formula
• C) Factoring
• D) Completing the square

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