解方程:3y^2-(2y+1)(y-1)=(y-5)(y+1)

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解方程:3y^2-(2y+1)(y-1)=(y-5)(y+1)解方程:3y^2-(2y+1)(y-1)=(y-5)(y+1)解方程:3y^2-(2y+1)(y-1)=(y-5)(y+1)∵3y^2-(

解方程:3y^2-(2y+1)(y-1)=(y-5)(y+1)
解方程:3y^2-(2y+1)(y-1)=(y-5)(y+1)

解方程:3y^2-(2y+1)(y-1)=(y-5)(y+1)
∵3y^2-(2y+1)(y-2)=(y-5)(y-1)
==>3y^2-2y^2+3y+2=y^2-6y+5
==>9y==3
==>y=1/3
∴原方程的解是y=1/3.
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