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21 September, 09:56

Use the grouping method to factor this polynomial completely.

3x3 + 12x2 + 2x + 8

+4
Answers (1)
  1. 21 September, 10:17
    0
    (3x^2 + 2) (x + 4).

    Step-by-step explanation:

    3x3 + 12x2 + 2x + 8

    3x^2 (x + 4) + 2 (x + 4) The x + 4 is common to the 2 groups so we have:

    (3x^2 + 2) (x + 4).
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