The quadratic formula for a quadratic equation in the form of \(ax^2 + bx + c = 0\) is \(x = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a}\). The first solution is \(x = \frac ...

For tips on ... Some quadratics have solutions that are not whole numbers, these would be incredibly difficult to factorise so the quadratic formula is used. Key fact When solving quadratics ...