SOLUTION: This is actually for QUADRATIC FORMULA, NOT QUADRATIC EQUATION Solve by completing the square 2x^2 + 11x

SOLUTION: This is actually for QUADRATIC FORMULA, NOT QUADRATIC EQUATION Solve by completing the square 2x^2 + 11x - 1 = 0 The solution set is { }

Question 625211: This is actually for QUADRATIC FORMULA, NOT QUADRATIC EQUATION
Solve by completing the square
2x^2 + 11x - 1 = 0
The solution set is { }
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!

First add to both sides

Now divide both sides by

------------
In order to complete the square, take
1/2 of the coefficient of the term,
square it, then add it to both sides
------------------

Take the square root of both sides

and

-------------------------
check:

OK
You can check other root
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