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16 August, 13:50

I'm doing edg unit test what is the answer to. Which shows one way to determine the factors of 4x3 + x2 - 8x - 2 by grouping?

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  1. 16 August, 16:48
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    (4x + 1) (x² - 2)

    Step-by-step explanation:

    Given

    4x³ + x² - 8x - 2 (factor the first/second and third/fourth terms)

    = x² (4x + 1) - 2 (4x + 1) ← factor out (4x + 1) from each term

    = (4x + 1) (x² - 2)
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