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15 September, 22:25

The length and width of a rectangle is (x-2) and (4-y) respectively. Express the area, A, of the rectangle in terms of x and y.

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Answers (2)
  1. 15 September, 23:31
    0
    Answer: 4x - xy - 8 + 2y

    Step-by-step explanation:

    (x-2) (4-y) = 4x - xy - 8 + 2y
  2. 16 September, 01:14
    0
    4x + 2y - xy - 8

    Step-by-step explanation:

    The area (A) of a rectangle is calculated as

    A = length * width, that is

    A = (x - 2) (4 - y)

    Each of the terms in the second factor is multiplied by each of the terms in the first factor, that is

    x (4 - y) - 2 (4 - y) ← distribute both parenthesis

    = 4x - xy - 8 + 2y, thus

    A = 4x + 2y - xy - 8
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