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17 December, 19:23

Factor completely 2x^3-10x^2-28x

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  1. 17 December, 19:45
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    2x (x-7) (x+2)

    Step-by-step explanation:

    2x^3-10x^2-28x

    first we can factor out a 2x

    2x (x^2 - 5x - 14)

    now we can factor the inner term

    what numbers multiply to - 15 and add to - 5

    (-7 and 2)

    2x (x-7) (x+2)
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