Find all solutions to the equation (x - 1)^2 = -4 + 4x.
(x - 1)^2 = -4 + 4x. expand L side
x^2 -2x +1 = -4 + 4x simplify
x^2 -6x +5 = 0 factor
(x-1)(x-5) = 0
x = 1 and 5
+37165 
