Quadratic Equation Solver
Enter coefficients a, b and c to find the roots and the discriminant.
- Free
- No signup
- Private: runs in your browser
- Works on mobile
Quadratic Equation Solver tool
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Example
With the default values shown in the tool, the results look like this:
- Discriminant
- 1
- x₁
- 2
- x₂
- 1
How to use Quadratic Equation Solver
- Enter your values in the fields above.
- The result updates instantly as you type or change an option.
- Copy the result or note it down. Nothing is saved on our servers.
Why use DocConvertPRO?
- Free to use with no signup or watermark.
- Everything runs in your browser. Your input is not uploaded.
- Works on phones, tablets and computers.
- Made for Indian users: rupees, lakh/crore formats and local use cases.
About this tool
Roots = (−b ± √(b² − 4ac)) ÷ 2a. If the discriminant is negative the roots are complex.
Frequently asked questions
What does the discriminant tell me?
Positive: two real roots; zero: one repeated root; negative: complex roots.
Can a be zero?
No, then the equation is linear.
Does it show steps?
It shows the discriminant and roots.