SOLUTION: 2y2 = 18y - 40 I believe I need to solve by factoring and using the principal of zero product. Any and all help is appreciated. Thanks, Mike

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: 2y2 = 18y - 40 I believe I need to solve by factoring and using the principal of zero product. Any and all help is appreciated. Thanks, Mike      Log On


   

Question 301884: 2y2 = 18y - 40
I believe I need to solve by factoring and using the principal of zero product. Any and all help is appreciated.
Thanks,
Mike
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
2y2 = 18y - 40
2y^2 -18y + 40=0
factor out 2
2*(y^2-9y+20)=0
factors of twenty that add up to-9
-4 -5
2*(y-4)*(y-5)=0