Perform the indicated operation.[(1.3x3 + 7.4x2 + 4.7) + (6.5x - 2.3)] - (3.7x2 -x - 9.9)
A. 1.3x3 + 11.1x2 + 5.5x - 7.5
B. 12.5x6 + 12.3
C. 1.3x3 + 3.7x2 + 6.5x + 12.3
D. 1.3x3 + 3.7x2 + 7.5x + 12.3
Answer: D
Mathematics
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