SOLUTION: I need help with this problem. Factor this expression completely. 0.09y2 - 0.81

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: I need help with this problem. Factor this expression completely. 0.09y2 - 0.81       Log On


   

Question 276023: I need help with this problem.
Factor this expression completely.
0.09y2 - 0.81

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
I need help with this problem.
Factor this expression completely.
0.09y2 - 0.81
---
Common factor: 0.09
---
= 0.09(y^2-9)
---
= 0.09(y-3)(y+3)
==================
Cheers,
Stan H.