#### Answer

$y=-5$ and $y=-3$

#### Work Step by Step

$(y+5)(y+3)=0$ Original problem.
$(y+5)=0$ and $(y+3)=0$ Set both factors equal to zero.
$y+5=0$ and $y+3=0$ Drop the parenthesis.
$y=-5$ and $y=-3$ Solve both mini-equations.