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5 July, 20:23

Find the area of a rectangle with length, l = 4x + 3 and width, w = 4x - 3.

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Answers (2)
  1. 5 July, 21:25
    0
    A = (4x-3) (4x+3)

    A = 16x-9
  2. 6 July, 00:12
    0
    16x² - 9

    Step-by-step explanation:

    Area of rectangle = l * w

    = (4x + 3) (4x - 3)

    = (4x) ² - (3) ² = (16x² - 9)
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