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:

-6r2+r+1=0 ... quadratic equation

Discriminant:
D = b2 - 4ac = 25
D > 0 ... The equation has two distinct real roots

r1 = 0.5
r2 = -0.3333333

P = {0.5; -0.3333333}