Factor Completely $\left( x ^ { 2 } + 2 \right) \left( x ^ { 4 } - 2 x ^ { 2 } + 4 \right)$

question 20

Multiple Choice

Factor completely. If the polynomial cannot be factored, write ʺprime.ʺ
-x⁶ - 8

• A) \(\left( x ^ { 2 } + 2 \right) \left( x ^ { 4 } - 2 x ^ { 2 } + 4 \right)\)
• B) \(( x - 2 ) \left( x ^ { 5 } + 2 x + 4 \right)\)
• C) \(\left( x ^ { 2 } - 2 \right) \left( x ^ { 2 } + 2 x + 4 \right)\)
• D) \(\left( x ^ { 2 } - 2 \right) \left( x ^ { 4 } + 2 x ^ { 2 } + 4 \right)\)

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