STUDENT TOOLS
Quadratic Equation Solver
Enter coefficients a, b and c to solve ax² + bx + c = 0, including complex roots.
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x² +x +
SOLUTIONS
Enter coefficients and ensure a is not zero.
Solves ax² + bx + c = 0 using the quadratic formula.
Quadratic formula
For ax² + bx + c = 0, the roots are (−b ± √(b² − 4ac)) ÷ 2a. The discriminant determines whether there are two real roots, one repeated real root or two complex roots. The coefficient a must not be zero.