Find the indicted product and simplify if possible.The expression 9x2 - 18(x - 3)2 - (x - 6)3 was used to determine the stress in a section of metal.
A. -x3 - 21x2 + 180x - 378
B. -x3 - 9x2 + 378
C. -x3 - 303x2 + 36x + 207
D. -x3 + 9x2 + 54
Answer: D
Mathematics
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A. 20a7 B. 9a10 + 11a4 C. 20a14 D. 9a5 + 11a2
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A. 
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