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22 June, 11:13

Simplify the sum. (2u3 + 6u2 + 3) + (2u3 - 7u + 6)

A. 9 - 7u + 6u2 + 4u3

B. 0u3 + 6u2 - 7u + 9

C. 0u3 - 7u2 + 6u - 9

D. 4u3 + 6u2 - 7u + 9

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Answers (1)
  1. 22 June, 13:46
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    (2u³ + 6u² + 3) + (2u³ - 7u + 6) =

    2u³ + 6u² + 3 + 2u³ - 7u + 6 =

    4u³ + 6u² - 7u + 9
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