4x^2 / (x^2 - 4x + 4) / (2x) / (x^2 - 4) 4x^2 / (x-2)(x-2) / 2x /(x-2)(x+2) 4x^2 / (x-2)(x-2) times (x-2)(x+2)/(2x) 2x(x+2) / (x-2) = final?