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:

1570=2pir(r+15) 6.28318530718r294.248r+1570=0 6.28318530718r2+94.248r1570=0  a=6.28318530718;b=94.248;c=1570 D=b24ac=94.248246.28318530718(1570)=48341.0476901 D>0  r1,2=b±D2a=94.25±48341.0512.5663706144 r1,2=7.5±17.4963785011 r1=9.99637850111 r2=24.9963785011   Factored form of the equation:  6.28318530718(r9.99637850111)(r+24.9963785011)=0 

Solution in text:

-6.28318530718r2-94.2477796077r+1570=0 ... quadratic equation

Discriminant:
D = b2 - 4ac = 48341.0476901
D>0 ... The equation has two distinct real roots

r1 = 9.99637850111
r2 = -24.9963785011

P = {9.99637850111; -24.9963785011}