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:

9r2+27r-792.3296=0 ... quadratic equation

Discriminant:
D = b2 - 4ac = 29252.8656
D > 0 ... The equation has two distinct real roots

r1 = 8.0019272898829
r2 = -11.001927289883

P = {8.0019272898829; -11.001927289883}