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12 December, 18:21

3a+2d^2-14+6a-4d-2d^2

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Answers (2)
  1. 12 December, 19:13
    0
    So 2d^2 and - 2d^2 cancel each other out and then that leaves

    3a-14+6a-4d collect like terms

    9a-14-4d

    And that's the answer
  2. 12 December, 21:27
    0
    Collect like terms:

    (3a+6a) + (2d^2-2d^2) - 14-4d

    Then simplify and you get:

    9a-14-4d
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