SOLUTION: Find the value of "n" such that x^2-17x+n is a perfect square trinomial. I need help with this problem please.

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Find the value of "n" such that x^2-17x+n is a perfect square trinomial. I need help with this problem please.      Log On


   

Question 308352: Find the value of "n" such that x^2-17x+n is a perfect square trinomial. I need help with this problem please.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Take (1/2) of the x coefficient and square it.
%281%2F2%29%28-17%29=-17%2F2
%28-17%2F2%29%5E2=289%2F4
x%5E2-17x%2B289%2F4=%28x-17%2F2%29%5E2