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16 November, 19:00

Which is a factor of 2a3 - 2a2 - 7a + 7?

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Answers (2)
  1. 16 November, 19:03
    0
    Rearrange slightly so that:

    2a^3-7a-2a^2+7, now factor first and second pair of terms ...

    a (2a^2-7) - 1 (2a^2-7)

    (a-1) (2a^2-7), these are two factors of the original equation ...
  2. 16 November, 19:15
    0
    Hello:

    2a3 - 2a2 - 7a + 7 = 2a² (a-1) - 7 (a-1) = (a-1) (2a²-7)
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