SOLUTION: Resuelve completando el trinomio cuadrado perfecto 0=ืal cuadrado-5ื-12

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Question 1121231: Resuelve completando el trinomio cuadrado perfecto 0=ืal cuadrado-5ื-12
Answer by ikleyn(52788) About Me  (Show Source):
You can put this solution on YOUR website!
.
On solving quadratic equations with the quadratic formula see the lessons

    - Introduction into Quadratic Equations
    - PROOF of quadratic formula by completing the square

in this site.

Everything is explained there including examples, and after reading these lessons you will be able solve it on your own.