But this is totally not what the Quadratic Formula gives, so I think you mean like this: \frac{-(-6)\, \pm\, \sqrt{(-6)^2\, -\, 4(1)(4)}}{2(1)} \frac{6\, \pm\, \sqrt{36\, -\, 16}}{2} \frac{6\, \pm\, \sqrt{20}}{2} \frac{6\, \pm\, \sqrt{4\times 5}}{2} yes. from...