Quadratic equation calculator

Quadratic equation has the basic form:

a x^{2} + b x + c = 0

Enter the quadratic equation's coefficients a, b, and c of its basic standardized form. A solution of quadratic equations is usually two different real or complex roots or one double root — the calculation using the discriminant.

Calculation:

Solution in text:

x²-19x+39.81071705535=0 ... quadratic equation

Discriminant:
D = b² - 4ac = 201.7571317786
D > 0 ... The equation has two distinct real roots

x₁ = 16.6020619
x₂ = 2.3979381

P = {16.6020619; 2.3979381}