# A square has one dimension increased by 4 feet and another dimension decreased by 2 feet. If the resulting rectangle has an area of 72 square feet, which of the following equations could be used to solve for the square's original side length, x?

##### 1 Answer

Mar 26, 2018

Let the side of the square be

One side is increased by 4 feet

Other side is decreased by 2 feet.

area of resulting rectangle

therefore,

since length cant be negative,

**Side of the square is 8 feet.**