Factor the sum or difference of two cubes.343x3 + 216
A. (7x + 6)(49x2 + 42x + 36)
B. (343x - 6)(x2 + 42x + 36)
C. (7x - 6)(49x2 + 42x + 36)
D. (7x + 6)(49x2 - 42x + 36)
Answer: D
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Look for a pattern and then predict the general term, or nth term, an, of the sequence.-1, 2, -4, 8, -16, 32, . . .
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A. 
B. 
C. 
D. 
E. 
?
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