Respuesta :
So base on your question where Kelly is given a piece of square material whose dimension where 5x inches by 5x inches. Then afterwards he ut both side by 2 so the equation of this proble could be (5x-2)^2 i hope you are satisfied with my answer.
Answer:
25x^2 - 20x + 4
Explanation:
Multiply (5x-2) by (5x-2).
25x^2 - 10x - 10x + 4.
Hope this helps!