If we have (x-1/2)^2 -13.75=0 how much will x be?
(x-1/2)^2 -13.75 = 0 add 13.75 to both sides
(x - 1/2)^2 = 13.75 using the square root property we have
x - 1/2 = ±√13.75 add 1/2 to both sides
x = ±√13.75 + 1/2 = about 4.208 or about -3.208