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4 December, 16:13

Find the value for m for which (x + 2) is a factor of p (x) = x cube + 2x + 3m

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  1. 4 December, 16:32
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    x+2=0

    x=-2

    p (-2) = -2in force 3 + 2 (-2) + 3m=0 - 8-4+3m=0 - 12+3m=0 3m=12 m=4
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