Solve x 2 4x 13 0 July 8, 2019 16 32 64 128 Solve x 2 4x 13 0 by completing the square Solve the equation x 2 4x 13 0 Solve the quadratic equation x 2 4x 13 0 Solve the following quadratic equation x 2 4x 13 0 Solve for x over the complex numbers x 2 4x 13 0 2 x 13