Question

Solve by the quadratic formula: x2=6x-4

Answer 1

Step-by-step explanation:

$x {}^{2} - 6x + 4 = 0 \\ d = 36 - 16 = 20 \\ x1 = \frac{6 - \sqrt{20} }{2} = 3 - \sqrt{5} \\ x2 = \frac{6 + \sqrt{20} }{2} = 3 + \sqrt{5}$