### Home > AC > Chapter 10 > Lesson 10.3.1 > Problem10-106

10-106.

Solve the quadratic equation below twice: once using the Quadratic Formula and once by completing the square and solving the quadratic in perfect square form. You should get the same result using both methods. What happened?

$x^2+6x+11=0$

$a=1$ $b=6$ $c=11$

No solution, you cannot take a square root of a negative. You should get no solution for completing the square, as well.