Choose and apply the best method to solve the given quadratic equation.

$x^2-6x=5$

• A. $x=6+\sqrt{14},x=6-\sqrt{14}$
• B. $x=10,x=-4$
• C. $x=3+\sqrt{14},x=3-\sqrt{14}$
• D. $x=6,x=0$