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23 August, 08:18

A dentist's office and parking lot are on a rectangular piece of land. The area (in square meters) of the land is represented by x^2+x-30. Write a binomial that represents the width of the land.

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  1. 23 August, 11:03
    0
    Width of the land can be represented by either (x - 5) or (x + 6).

    Step-by-step explanation:

    The office and parking lot are on a rectangular piece of land.

    Area of a rectangular area = Length * Width

    Expression for the area has been given as x² + x - 30

    Now we will factorize the given expression.

    x² + x - 30 = x² + 6x - 5x - 30

    = x (x + 6) - 5 (x + 6)

    = (x - 5) (x + 6)

    So the area of the rectangular lot = (x - 5) (x + 6) = Length * width

    Therefore, width of the land can be represented by either (x - 5) or (x + 6)
  2. 23 August, 11:47
    0
    (x+6) or (x-5) can represent width of the rectangular piece of land.

    Step-by-step explanation:

    The trinomial is factored to (x+6) (x-5) since (x+6) (x-5) = x^2 + 6x - 5x - 30 = x^2+x-30. These factors represent the length and width of the rectangle.
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