## Algebra: A Combined Approach (4th Edition)

-$y^{2}$ - 3y - 1
( - 3$y^{2}$ - 4y ) + ( 2$y^{2}$ + y - 1 ) (-3$y^{2}$ + 2 $y^{2}$ ) + ( -4y + y ) + ( -1 ) = combine like terms -$y^{2}$ - 3y -1