Factor by grouping.9x2 - 18xt + 8t2
A. (9x - 2t)(x - 4t)
B. (3x + 2t)(3x + 4t)
C. (3x - 2t)(3x - 4t)
D. Prime
Answer: C
Mathematics
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A. 
- 
i
B. 
- 
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+ 
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