Factor the Trinomial Completely $x ^ { 4 } - 4 x ^ { 2 } - 77$

question 176

Multiple Choice

Factor the trinomial completely. If the polynomial cannot be factored, write "prime."
- $x ^ { 4 } - 4 x ^ { 2 } - 77$

• A) prime
• B) \(\left( x ^ { 2 } - 11 \right) \left( x ^ { 2 } + 7 \right)\)
• C) \(\left( x ^ { 2 } - 77 \right) \left( x ^ { 2 } + 1 \right)\)
• D) \(\left( x ^ { 2 } + 11 \right) \left( x ^ { 2 } - 7 \right)\)

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