Answer:
The perimeter of Square B is (-24x+100) units much bigger than Square A.
Step-by-step explanation:
Side length of square A = (2x-7)
Side length of square B = (-4x+18)
Perimeter of a square is

where, a is side length of square.
Perimeter of square A is

Perimeter of square B is

Difference between perimeter of Square B than Square A is


Combined like terms.


Therefore, the perimeter of Square B is (-24x+100) units much bigger than Square A.