SOLUTION: √5y²+1=9

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Question 551989: √5y²+1=9
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
sqrt(5y^2+1)=9
5y^2+1=81 square each side.
5y^2-80=0
y^2-16=0 divide each side by 5
(y+4)(y-4)=0
y=-4, y=4
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Ed