Respuesta :

Answer:  (x-2) inches.

The question asks for length in square inches.  There is no such thing.  It should read in inches.  Since it is a square frame, we can take the square root of (x^2-4x+4), which is (x-4).  This is in incnes

Step-by-step explanation:

(x-4)*(x-4) = x^2-4x+4