|-4b-8|+|-1-b²|+2b(3 squared);b=-2
|-4b-8|+|-1-b²|+2b(3 squared);b= -2
l -4(-2) - 8 l + l -1 - (-2)^2 l + 2(-2)(3^2) =
l - 8 - 8 l + l -1 - 4 l + (-4) *9 =
l-16 l + l -5 l - 36 =
16 + 5 - 36 =
21 - 36 =
-15
