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The diagram shows the floor plan of a storage facility. All dimensions are given in feet. Which expression represents the area of the storage facility in square feet?
Please help, thank you
The area of the floor plan is given by the expression 20x² – 4x – 16
A rectangle is a quadrilateral (has four sides and four angles) in which opposite sides are parallel and equal to each other. Also all the angles of a rectangle measure 90 degrees each.
Area of a rectangle = length * breadth
Area of the floor plan = length * breadth
Area of the floor plan = (5x + 4) * (4x – 4)
Area of the floor plan = 20x² – 20x + 16x – 16
Area of the floor plan = 20x² – 4x – 16
The area of the floor plan is given by the expression 20x² – 4x – 16.
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