Quadratic Equation Calculator

A quadratic equation has the basic form: ax2+bx+c=0
eq2
Enter the coefficients a, b, and c of the quadratic equation in its basic standardized form. The solution of a quadratic equation usually consists of two distinct real or complex roots, or one double root — calculated using the discriminant.


Calculation:


Solution in text:

0.5n2+5n-2100=0 ... quadratic equation

Discriminant:
D = b2 - 4ac = 4225
D > 0 ... The equation has two distinct real roots

n1 = 60
n2 = -70

P = {60; -70}