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3 September, 09:18

Find the area of a rectangle with length (2x + 3) and width (x - 4). A) 2x2 - 11x - 12 B) 2x2 - 5x + 12 C) 2x2 + 11x + 12 D) 2x2 - 5x - 12

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  1. 3 September, 09:41
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    D

    area of a rectangle = length * width

    area = (2x + 3) (x - 4) (expand using FOIL)

    = 2x² - 8x + 3x - 12 = 2x² - 5x - 12 → D
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