SOLUTION: Could you please explain to me step by step on how to solve this and why? Please and thank you. Factor completely. y^3+y^2-9y-9

Algebra ->  Equations -> SOLUTION: Could you please explain to me step by step on how to solve this and why? Please and thank you. Factor completely. y^3+y^2-9y-9      Log On


   



Question 510250: Could you please explain to me step by step on how to solve this and why? Please and thank you.
Factor completely.
y^3+y^2-9y-9

Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
y^3+y^2-9y-9
y^2(y+1)-9(y+1)
(y+1)((y^2-9)
(y+1)(y+3)(y-3)