Verified answer

First step is to simplify 80y^2-120y^2+25y

-40y^2+25y now factor out the greatest common factor

5y(-8y+5) or -5y(8y-5)

you have to simplify and then take out the greatest common factor

80y^2-120y^2+25y

-40y^2+25y

Answer: 5y(-8y-5)

5y(-8y+5)