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:

360x=(360+3x)(x4) 3x2+12x+1440=0 3x212x1440=0 3 ...  prime number 12=223 1440=25325 GCD(3,12,1440)=3=3  x24x480=0  a=1;b=4;c=480 D=b24ac=4241(480)=1936 D>0  x1,2=2ab±D=24±1936 x1,2=24±44 x1,2=2±22 x1=24 x2=20   Factored form of the equation:  (x24)(x+20)=0 

Solution in text:

-3x2+12x+1440=0 ... quadratic equation

Discriminant:
D = b2 - 4ac = 17424
D > 0 ... The equation has two distinct real roots

x1 = 24
x2 = -20

P = {24; -20}