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30 November, 16:02

19 Find the sum of (x + 5). (-4x - 2), and (2x - 1).

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  1. 30 November, 16:56
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    Step-by-step explanation:

    Sum of (x + 5). (-4x - 2), and (2x - 1).

    = (x + 5) * (-4x - 2) + (2x - 1)

    = - 20x^2 - 2x - 20x - 10 + 2x - 1

    = - 20x^2 - 20x - 11
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