Answer:
x-2 and x+5 side lengths should be used to model a rectangle.
Step-by-step explanation:
Area of a rectangle A is given by:
....[1]
where, l is the length and w is the width of the rectangle.
As per the statement:
Given the area of rectangle:
square units
Factorize this equation:
⇒
⇒
On comparing with [1] we get;
l = x-2 unit and w = x+5 unit or l = x+5 units and w = x-2 unit
Therefore, x-2 and x+5 side lengths should be used to model a rectangle.