Quadratic equation calculator

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

eq2
Enter the coefficients a, b, c of quadratic equation in 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:

-n2+5n+66=0 ... quadratic equation

Discriminant:
D = b2 - 4ac = 289
D>0 ... The equation has two distinct real roots

n1 = 11
n2 = -6

P = {11; -6}