Question

A square concert stage in the center of a fairground has an area of 4x^2 + 12x +9 ft^2. The dimensions of the stage have the form cx+d where c and d are whole numbers. Find and expression for the perimeter of the stage. What is the perimeter when x = 2 ft?

Answer 1

(8x+12) feet.The perimeter when x=2ft is 28 feet.

Explanation:

The solution is in the attached file.