| Solved by pluggable solver: SOLVE quadratic equation with variable |
| Quadratic equation For these solutions to exist, the discriminant First, we need to compute the discriminant The discriminant -40 is less than zero. That means that there are no solutions among real numbers. If you are a student of advanced school algebra and are aware about imaginary numbers, read on. In the field of imaginary numbers, the square root of -40 is + or - The solution is Here's your graph: |