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:

9x2-2x-5=0 ... quadratic equation

Discriminant:
D = b2 - 4ac = 184
D > 0 ... The equation has two distinct real roots

x1 = 0.86470333145836
x2 = -0.64248110923614

P = {0.86470333145836; -0.64248110923614}