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15 August, 17:19

Is (x-3) factor of (3x3+10x2-x-12) ?

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Answers (1)
  1. 15 August, 20:38
    0
    Step-by-step explanation:

    x-3=0

    x=3

    find f (3)

    or 3 (3) ³+10 (3) ²-3-12=81+90-3-12=171-15=156≠0

    so x-3 is not a factor.

    or

    divide the given expression by x-3
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