SOLUTION: What do I add to complete the square x^2+13x

Algebra ->  Test -> SOLUTION: What do I add to complete the square x^2+13x      Log On


   



Question 630860: What do I add to complete the square x^2+13x
Answer by nerdybill(7384) About Me  (Show Source):
You can put this solution on YOUR website!
Given:
x^2+13x
.
To "complete the square" we take (1/2) 'b' (which is 13/2)... square it (169/4)... and add...
.
x^2+13x+169/4
allowing us to get:
(x+13/2)^2