SOLUTION: Have to complete the square for these: Let f(x) = 2x^2 + 6x please help!

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Question 948126: Have to complete the square for these:
Let f(x) = 2x^2 + 6x
please help!

Found 2 solutions by josgarithmetic, MathLover1:
Answer by josgarithmetic(39620)   (Show Source): You can put this solution on YOUR website!
Completing the Square to Solve General Quadratic Equation
http://www.algebra.com/my/Completing-the-Square-to-Solve-General-Quadratic-Equation.lesson?content_action=show_dev

Answer by MathLover1(20850)   (Show Source): You can put this solution on YOUR website!



...recall , so we have and we need and since we have that , then =>
now square it and add to
...this we are multiplying by because we have in front of parentheses






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