» Viète’s Formulas Calculator

Input

Quadratic equation roots

Results

$$ax^{2}+bx+c=a(x-x_{1})(x-x_{2})$$
Sum of roots
Product of roots

This Viète’s formulas calculator finds the sum and product of two quadratic roots and relates them to the coefficients through x₁ + x₂ = −b/a and x₁x₂ = c/a. Enter x₁ and x₂ to check the result and see the calculation.