Factor completely. State that the polynomial is prime if it cannot be factored.x2 - 9x + 81
A. (x + 9)2
B. (x + 9)(x - 9)
C. (x - 9)2
D. prime
Answer: D
Mathematics
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A. 
?
B. 
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C. 
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?
What will be an ideal response?
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Fill in the blank(s) with the appropriate word(s).
Mathematics