Use the factor theorem to determine if x - c is a factor of f(x). If so, use synthetic division to write f(x) in the form 
f(x) = x3 + 343; x + 7
A. (x + 7)(x2 - 7x + 49)
B. (x + 7) is not a factor
C. (x + 7)(x2 + 49)
D. (x + 7)(x2 + 7x + 49)
Answer: A
Mathematics
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