SOLUTION: okay, I simplified y2+9+9y=0 into (-9+ - sq. route of 45) over 2 using the quadatic formula, how do I simplify that further

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: okay, I simplified y2+9+9y=0 into (-9+ - sq. route of 45) over 2 using the quadatic formula, how do I simplify that further      Log On


   

Question 1691: okay, I simplified y2+9+9y=0 into (-9+ - sq. route of 45) over 2 using the quadatic formula, how do I simplify that further
Answer by longjonsilver(2297) About Me  (Show Source):
You can put this solution on YOUR website!
sqrt45 is the same as sqrt%289%2A5%29 which is the same as sqrt%289%29sqrt%285%29 which is the same as 3sqrt%285%29.
So, your equation becomes... %28-9+%2B-+3sqrt%285%29%29%2F2
cheers
Jon.