# The width of a rectangle is 9 inches less than 4 times the length. If x represents the length, how do you write an algebraic expression in terms of x that represents the area of the rectangle?

##### 1 Answer

Mar 20, 2016

Area

#### Explanation:

We will convert the variable to include

Breaking down the question into its component parts

Let width be

Let length be

Let area be

The width of a rectangle

is

9 inches less than

4 times

the length

If x represents length

Width

Area is calculated by

In this case

Substituting for width gives

Multiplying out the bracket gives