How to solve by completing the square?

Question

1. 4(c+3)^2=1/4
2. (2p-5)^2=1/4
3. 2w^2-3w-3=0

Answer 1

In google type :

quadratic equation online

When you see list of results click on :

w w w . w e b g r a p h i n g . c o m / q u a d r a t i c e q u a t i o n _ q u a d r a t i

When page be open click on :

Solve by Completing the Square

Then in rectangle type equation

and click option :

solve it!

You will see solution step - by - step.