SOLUTION: This is my question (not a book question) Let f(x)= x^2-2x-3 Write f(x) in standard form; (this means use the Complete square method) How do I start to solve this problem I

Algebra ->  Graphs -> SOLUTION: This is my question (not a book question) Let f(x)= x^2-2x-3 Write f(x) in standard form; (this means use the Complete square method) How do I start to solve this problem I       Log On


   

Question 319042: This is my question (not a book question)
Let f(x)= x^2-2x-3
Write f(x) in standard form; (this means use the Complete square method)
How do I start to solve this problem I need it laid out step by step?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
+f%28x%29=+x%5E2-2x-3
Take (1/2) of the x-coefficient and square it to complete the square.
Add and subtract that quantity from the equation.
%281%2F2%29%28-2%29=-1<--- (1/2) of the x-coefficient
%28-1%29%5E2=1<--- Squared
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f%28x%29=%28x%5E2-2x%2B1%29-3-1
f%28x%29=%28x-1%29%5E2-4