SOLUTION: Find all real solutions of the quadratic equation. (Enter your answers as a comma-separated list. If there is no real solution, enter NO REAL SOLUTION.)
x2 − 12x + 4 = 0
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Question 908884: Find all real solutions of the quadratic equation. (Enter your answers as a comma-separated list. If there is no real solution, enter NO REAL SOLUTION.)
x2 − 12x + 4 = 0
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
, not factorable.
Study how to complete the square: http://www.algebra.com/my/Completing-the-Square-to-Solve-General-Quadratic-Equation.lesson?content_action=show_dev
Add to both sides and identify and factor the appropriate trinomial; and then solve for x.
OR, if you already know the general solution for a quadratic equation, use that.
(Note that discriminant will be 128, which is ).
(Note that ).
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