Quadratic equation calculator

Quadratic equation has the basic form: ax2+bx+c=0
eq2
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:

r2-2.1666666666667r+1=0 ... quadratic equation

Discriminant:
D = b2 - 4ac = 0.6944444444
D > 0 ... The equation has two distinct real roots

r1 = 1.5
r2 = 0.6666667

P = {1.5; 0.6666667}