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:

4x2-21.2x+1.3545=0 ... quadratic equation

Discriminant:
D = b2 - 4ac = 427.768
D > 0 ... The equation has two distinct real roots

x1 = 5.2353191
x2 = 0.0646809

P = {5.2353191; 0.0646809}