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07-04-2020
Mathematics

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(3x2 + 2x + 7x3) + (10x2 + 6x + 9)
A) 7x3 + 13x2 + 8x + 9
B) 7x3 + 30x2 + 12x + 9
C) 13x2 + 8x + 16x3
D) 13x4 + 7x3 + 8x2 + 9

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Аноним Аноним

07-04-2020

The answer to this question is letter B

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07-04-2020

Answer: A

Step-by-step explanation:

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