Factor completely.x6 - 1
A. (x3 + 1)(x3 - 1)
B. (x2 + 1)(x4 - x2 + 1)
C. (x + 1)(x - 1)(x2 + x + 1)(x2 - x + 1)
D. (x + 1)(x - 1)(x4 + x2 + 1)
Answer: C
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A. 
B. 
C. 
D. 
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Fill in the blank(s) with the appropriate word(s).
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What will be an ideal response?
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.
A. mg B. L C. kg D. mL E. g