X b b 2 4 a c 2 a. Free and online quadratic equation solver. X2 3x -1.
Only if it can be put in the form ax2 bx c 0 and a is not zero.
In our case a 1 b 14 c 45. Cookies remember you so we can give you a better online experience. This calculator is designed to give a value even if complex for the data entered. These roots will be said to as complex numbers.