Solve the Problem $f ( x ) = x ^ { 2 } - x - 56$

question 28

Multiple Choice

Solve the problem.
-Let $f ( x ) = x ^ { 2 } - x - 56$ . Find all values $x$ for which $f ( x ) = 0$ .

• A) 1,56
• B) \(- 7 , - 8\)
• C) 7,8
• D) \(- 7,8\)

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