Find $$$x$$$ in $$$8 x^{2} - 16 x - 15 = 0$$$

The calculator will try to find real and complex $$$x$$$ in the equation $$$8 x^{2} - 16 x - 15 = 0$$$.

If the calculator did not compute something or you have identified an error, or you have a suggestion/feedback, please contact us.

Your Input

Find $$$x$$$ in the equation $$$8 x^{2} - 16 x - 15 = 0$$$.

Answer

Real roots

$$$x = 1 - \frac{\sqrt{46}}{4}\approx -0.695582495781317$$$A

$$$x = 1 + \frac{\sqrt{46}}{4}\approx 2.695582495781317$$$A

Complex roots

It seems that there are no complex roots.


Please try a new game Rotatly