Answer:
441 square feet
Step-by-step explanation:
The rug area has dimensions x-6 and x-8. Its area is ...
A = LW
195 = (x -6)(x -8)
195 = x^2 -14x +48
196 = x^2 -14x +49 . . . . . . add 1 to make this a perfect square
14^2 = (x -7)^2
14 = x -7 . . . . . . take the square root
x = 14 +7 = 21
The area of the living room is ...
A = x^2 = 21^2 = 441 . . . square feet