Quadratic equation calculator
Quadratic equation has the basic form: ax2+bx+c=0![eq2](/images/quadratic_equation2.png)
Calculation:
9∗(1−x)∗(1+x)=5 −9x2+4=0 9x2−4=0 x1,2=±4/9=±0.666666667 x1=0.666666667 x2=−0.666666667
Solution in text:
-9x2+4=0 ... b=0; pure quadratic equationDiscriminant:
D = b2 - 4ac = 144
D > 0 ... The equation has two distinct real roots
x1 = 0.6666667
x2 = -0.6666667
P = {0.6666667; -0.6666667}