Solve by completing the square.

1. -x^2 - 5x = -5

In google type :

quadratic equation online

When you see list of results click on :

Free Online Quadratic Equation Solver: Solve by Quadratic...

When page be open click option :

Solve by Completing the Square

Then in rectangle type :

- x ^ 2 - 5 x = - 5

and click option :

solve it!

You will see solution step - by - step