the area of a square is equal to one less than one-half its perimeter. How long is each side? (A=s squared and P=4s, where s represents the side length of the square)
s^2 + 1 = (1/2)(4s)
s^2 - 2 s + 1 = 0
(s-1)(s-1) = 0
s = 1
s^2 - 2 s + 1 = 0
(s-1)(s-1) = 0
s = 1