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 ...

An alternative method to solve a quadratic equation is ... 1.36\) (3 sf) The second solution is: \(x = -3 - \sqrt{19} = -7.36\) (3 sf) To complete the squares in the form of \(ax^2 + bx + c ...