SOLUTION: factor the trinomial completely. 10y squared - 5y - 5.

Algebra ->  Equations -> SOLUTION: factor the trinomial completely. 10y squared - 5y - 5.      Log On


   

Question 734238: factor the trinomial completely.
10y squared - 5y - 5.
Answer by MathLover1(20849) About Me  (Show Source):
You can put this solution on YOUR website!

10y%5E2+-+5y+-+5

5%282y%5E2+-y+-1%29...write -y as -2y%2By

5%282y%5E2-2y%2By+-1%29...group

5%28%282y%5E2+-2y%29%2B%28y+-1%29%29

5%282y%28y+-1%29%2B1%28y+-1%29%29

5%282y%2B1%29%28y-1%29%29