You can put this solution on YOUR website! The problem is
(i) /
factor b^2 + 10b + 24 = (b+6)(b+4), so we get
(ii) /
we have a couple of restrictions where
b+6=0
b-3=0
b+4=0.
So b cannot = -6, 3, -4.
we can re express (ii) as
(iii) *
and canceling, we get
(iv) *
which is
(v)