Write the Function as a Product of Linear and Irreducible $$f ( x ) = 3 x ^ { 3 } - 20 x ^ { 2 } - 6 x - 7$$

question 368

Multiple Choice

Write the function as a product of linear and irreducible quadratic factors, all with real coefficients.
- $$f ( x ) = 3 x ^ { 3 } - 20 x ^ { 2 } - 6 x - 7$$

• A) \(( x + 7 ) \left( 3 x ^ { 2 } + x + 1 \right)\)
• B) \(( x - 7 ) \left( 2 x ^ { 2 } + x + 1 \right)\)
• C) \(( x - 7 ) \left( 3 x ^ { 2 } + 2 x - 1 \right)\)
• D) \(( x - 7 ) \left( 3 x ^ { 2 } + x + 1 \right)\)

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