Add.

A. 1.82x4 - 2.81x3 - 0.47x2 + 1.91x - 1.13
B. 1.82x12 - 2.09x9 - 0.47x4 + 0.63x - 1.13
C. 1.82x4 - 2.09x3 - 0.47x2 + 0.63x - 1.13
D. 1.82x4 - 1.09x3 + 0.53x2 + 0.63x - 1.13


Answer: C

Mathematics

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