You've put down 2 versions of this quadratic!
The 1st quadratic is 20*y^2 + 25*y + 5.
The 2nd quadratic is 20*y^2 - 25*y + 5.
The 1st quadratic
20y^2 + 25y + 5
take out a factor of 5,
5(4y^2 + 5y + 1)
5(4y + 1)(y + 1)
The 2nd quadratic
20y^2 - 25y + 5
take out a factor of 5,
5(4y^2 - 5y + 1)
5(4y - 1)(y - 1)