Perform the indicated operation.[(1.8x3 + 7.6x2 + 4.1) + (6.5x - 2.9)] - (3.7x2 -x - 9.5)

A. 1.8x3 + 3.9x2 + 7.5x + 10.7
B. 1.8x3 + 3.9x2 + 6.5x + 10.7
C. 1.8x3 + 11.3x2 + 5.5x - 8.3
D. 13.2x6 + 10.7


Answer: A

Mathematics

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A.  = 16x3y5 = 20x4y4
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C.  = 2(4x4y5 + 3);  = 2(4x4y5 + 3)
D.  = 32x3y5(4x4y5 + 3);  = 40x4y4(4x4y5 + 3)

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A. all real numbers
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C.
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