f(x) = x(x+ \frac{1-\sqrt{5}}{2})(x+\frac{1+\sqrt{5}}{2}); the factor x pairs with the root x=0, the factor x + \frac{1-\sqrt{5}}{2} pairs with the root x=\frac{-1+\sqrt{5}}{2}, an...f(x) = x(x+ \frac{1-\sqrt{5}}{2})(x+\frac{1+\sqrt{5}}{2}); the factor x pairs with the root x=0, the factor x + \frac{1-\sqrt{5}}{2} pairs with the root x=\frac{-1+\sqrt{5}}{2}, and the factor x+\frac{1-\sqrt{5}}{2} pairs with the root x=\frac{-1-\sqrt{5}}{2}
