Answer
-$y^{2}$ - 3y - 1
Work Step by Step
( - 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
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