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21 October, 13:37

Divide the following polynomials, then place the answer in the proper location on the grid. Write answer in descending powers of x. (2x3 + x4 - 6x2 + 11x - 10) (x2 + 2 - x)

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  1. 21 October, 17:11
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    Let's rewrite the expression correctly:

    (2x3 + x4 - 6x2 + 11x - 10) / (x2 + 2 - x)

    Dividing the expression between (x2 + 2 - x) we have:

    x2 + 3x - 5

    We can check the result:

    (x2 + 3x - 5) * (x2 + 2 - x)

    = x4 + 3x3 - 5x2 - x3 - 3x2 + 5x + 2x2 + 6x - 10

    Grouping similar terms:

    x4 + x3 (3-1) + x2 (-5-3 + 2) + x (5 + 6) - 10

    = x4 + 2x3 - 6x2 + 11x - 10

    Division OK.

    Answer:

    The result of the division is:

    x2 + 3x - 5
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