Question

The length, l call my a rectangular room is four less than the width, W, of the room. Which expression represents the area of the room.

(I have no options)

Answer 1

Answer: Either
`w(w-4)` or
`w^2 - 4w`

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Step-by-step explanation:

w = width

w-4 = length since it is 4 less than the width

Multiply the length and width to get the area of the rectangle.

area = length*width

area =
`(w-4)w`

area =
`w(w-4)`

area =
`w^2-4w`

In the last step, I used the distributive property.

Either expression mentioned above is valid for the area. If you had to pick only one, I'd go for
`w^2-4w`