Quadratic equation calculator

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


Solution in text:

0.4375a2-28=0 ... b=0; pure quadratic equation

D = b2 - 4ac = 49
D > 0 ... The equation has two distinct real roots

a1 = 8
a2 = -8

P = {8; -8}