Determine Which of the Following Polynomials Is Not Reducible $x ^ { 2 } + 18$

question 3

Multiple Choice

Determine which of the following polynomials is not reducible.

• A) \(x ^ { 2 } + 18\)
• B) \(x ^ { 2 } - 4\)
• C) \(x ^ { 2 } - 1\)
• D) \(x ^ { 2 } - 21\)
• E) \(x ^ { 2 } - 18\)

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