Recall the formula for finding the area of a rectangle. define a variable for the width and set up an equation to find the dimensions of a rectangle that has an area of 144 square inches, given that the length is 10 inches longer than its width.

x

Step-by-step explanation:

The area of a rectangle is:

i will call the width

and since the length is 10 inches longer than the width :

thus, the area is

an the area according to the problem is equal to , so:

Factoring the expression:

clearing for :

and

since we are talking about sides of a rectangle we can ignore the negative sign in -18, and the dimensions of the rectangle are:

x

which when multiplied give the of area.

answer: 4 (:

step-by-step explanation:

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step-by-step explanation: