SOLUTION: y2 +6y +9 =0 I only need to solve this using QF and don't need to find the discriminant.

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: y2 +6y +9 =0 I only need to solve this using QF and don't need to find the discriminant.      Log On


   

Question 6092: y2 +6y +9 =0
I only need to solve this using QF and don't need to find the discriminant.
Answer by Abbey(339) About Me  (Show Source):
You can put this solution on YOUR website!
Let a=1
Let b=6
Let c=9
x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+
x+=+%28-6+%2B-+sqrt%28+%286%29%5E2-4%2A1%2A9+%29%29%2F%282%2A1%29+
x+=+%28-6+%2B-+sqrt%28+36-36+%29%29%2F%282%29+
x+=+%28-6+%2B-+sqrt%28+0%29%29%2F%282%29+
x+=+-3+