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22 June, 01:18

What is the remainder when (x3 - 4x2 - 12x + 9) is divided by (x + 2)

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  1. 22 June, 02:43
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    Hello,

    x^3-4x²-12x+9=x^3+2x²-6x²-12x+9

    =x² (x+2) - 6x (x+2) + 9

    = (x+2) (x²-6x) + 9

    Remainder is 9
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