Answer: y^2 -5 + y^2 -5 + 3y^2+7y+8 + 3y^2+7y+8
Step-by-step explanation: The order doesn't matter but... its just the sides added up together. Its a rectangle so the opposites are equal. You were given 2 sides and thats all you need, just repeat it. L plus l plus w plus w is there.