rearrange y = x^2 - 4x - 5 in y = a(x - h)^2 + k form

[jlhtah]

Having trouble with this:

For the function y = x^2 - 4x - 5, put the function in the form y = a(x - h)^2 + k.

Thank you.

 

[royhaas]

It means complete the square.