Math

10y^2 -21y+9=0

Asked by AnneS2 12 years ago 4/21/2013 1:57 AM

Last updated by anonymous 12 years ago 4/22/2013 10:13 PM

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Answered by CherieS 12 years ago 4/22/2013 10:13 PM

10y^2 -21y+9=0

(2y )(5y ) ( -3)( -3)

(2y-3)(5y-3)

Solve:

(2y-3)=0

2y-3+3=0+3

2y=3

2y/2=3/2

y=3/2

Solve:

(5y-3)=0

5y-3+3=0+3

5y=3

5y/5=3/5

y=3/5