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Write an expression in simplest form that represents the area (in square feet) of the banner.
3ft
(3 + x)ft


Sagot :

The area of the banner, expressed in simplest form, is: (9 + 3x) ft²

How to Determine the Area of a Rectangle

  • The area of a rectangle = length × width

The banner given in the image below has a rectangular shape. So, the area of the banner will be determined using the area of a rectangle.

  • length = (3 + x) ft
  • width = 3 ft

Area of the banner = (3 + x)3

Area = (9 + 3x) ft²

Therefore, the area of the banner, expressed in simplest form, is: (9 + 3x) ft²

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