Use Descartes' rule of signs to find the number of possible positive, negative, and nonreal roots for the following equation.
?
?
A. 0 positive; 0 negative; 15 nonreal
B. 1 positive; 0 negative; 14 nonreal
C. 0 positive; 1, 3, or 5 negative; 10, 12 or 14 nonreal
D. 0 or 2 positive; 1 or 3 negative; 10, 12 or 14 nonreal
E. none of these
Answer: D
Mathematics
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