Math
Quadratic Equation
Quadratic formula — one solution, two, or "no real solution". With step-by-step explanation.
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Coefficients of ax² + bx + c = 0
x₁
x₂
x
Enter coefficients to solve the equation
What does Quadratic Equation?
Solve quadratic equations of the form ax² + bx + c = 0 and find all roots.
How to use Quadratic Equation?
- Enter the coefficients a, b, and c.
- Click Solve.
- View the roots and the discriminant value.
Key features
- Finds real and complex roots.
- Shows step-by-step solution using the quadratic formula.
- Displays the discriminant to indicate root type.
Frequently asked questions
What is a quadratic equation?
A quadratic equation is a polynomial equation of degree 2, written as ax² + bx + c = 0.
What does the discriminant tell us?
If the discriminant is positive, there are two real roots; zero means one repeated root; negative means two complex roots.
Is this tool free?
Yes, this tool is completely free and requires no registration.
Is my data saved?
No. All calculations happen in your browser only — no data is sent to any server.