Factor completely.3x4 + 14x2 + 15
A. (x2 + 3)(x2 - 12)
B. (x2 + 3)(3x2 - 12)
C. (x2 + 3)(x2 + 5)
D. (x2 + 3)(3x2 + 5)
Answer: D
Mathematics
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Fill in the blank(s) with the appropriate word(s).
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