Equation solver
Roots, steps and simultaneous systems.
Equation
Use x as the unknown, e.g. 3x + 5 = 20
Quadratic equation in x
Details
Unknown
x
Type
Quadratic
Root 1
-1
Root 2
3
- 1. Rearrange to standard form: 2x^2 − 4x − 6 = 0
- 2. Discriminant Δ = b² − 4ac = -4² − 4·2·-6 = 64
- 3. x = (−b ± √Δ) / 2a