Automatic calculation by inputting value
Formula description
Solve the quadratic equation in one variable ax2+bx+c, a≠0
ax2+bx+c=0
x2+(b/a)x+(c/a)=0
x2+2*(b/2a)+(b/2a)2=-(c/a)+(b/2a)2
(x+b/2a)2=(b2-4ac)/4a2
x+b/2a=±(b2-4ac)1/2/2a
x=(-b±(b2-4ac)1/2)/2a
