Weegy:
y^2+5y+6=0
y^2+3y+2y+6=0
y(y+2)+2(y+3)=0
(y+2)(y+3)=0
y+2=0 - - - - - > y = -2
y+3=0- - - - - - - -> y = -3
solution set y = -2 and -3
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