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03-09-2020
Mathematics

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Find the sum: (x3 + 4x2 + 2x - 6) + (5x - 7x2 + 3) A. x3 - 3x2 + 7x + 3 B. x3 - 3x2 + 7x - 3 C. x3 + 3x2 + 7x - 3 D. x3 - 3x2 + 3x - 3

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Аноним Аноним

03-09-2020

=x3−3x2+7x−3

your answer is B

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