Question

what number would you add to complete the square for the equation below?
x^2+6x=0

Answer 1

a complete square is of the form: (x+n)^2

if you expand that out and compare it to what you have you should be able to determine a suitable solution

Answer 2

i tried , i got no answer. thats why im asking for help.

Answer 3

this is the help ...

what is the expanded form of: (x+n)^2 ??

Answer 4

once we have that expanded, the rest is childs play.