6y^2-46y+40=0

6y^2-46y+40=0

2(3y^2-23y+20)

2 (y )(3y ) ( -1)( -20)

2(y-1)(3y-20)

Solve:

2(y-1)=0

2y (2)(-1)=0

2y-2=0

2y-2+2=0+2

2y=2

2y/2=2/2

y=1

Solve:

2(3y-20)=0

2(3y) (2)(-20)=0

6y-40=0

6y-40+40=0+40

6y=40

6y/6=40/6

y=20/3