# Quadratic equation calculator

Quadratic equation has the basic form:Enter the coefficients a, b, c of quadratic equation in its basic standardized form. Solution of quadratic equations are usually two different real or complex roots, or one double root. Calculation is done by using the discriminant.

## Calculation:

#### Solution in text:

**a**... quadratic equation

^{2}-15a-990=0Discriminant:

**D**= b

^{2}- 4ac = 4185

D>0 ...

**The equation has two distinct real roots**

a

_{1}= 39.845787979272

a

_{2}= -24.845787979272

P = {39.845787979272; -24.845787979272}