SOLUTION: finf the constant term that should be added to make the following expression a perfect square trinomial x^2-8x

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Question 89967: finf the constant term that should be added to make the following expression a perfect square trinomial
x^2-8x
Answer by checkley75(3666) About Me  (Show Source):
You can put this solution on YOUR website!
TO FIND THE FINAL TERM WE DIVIDE THE MIDDLE TERM BY 2 (8/2=4) NOW WE SQUARE THIS TERM 4^4=16. THIS IS THE TERM THAT COMPLETES THE SQUARE.
X^2-8X+16 NOW WE FACTOR AS THE PROOF.
(X-4)(X-4)