How do you simplify the rational expression and state any restrictions on the variable #(b^2 +6b-16)/(b+8)#?
Extract a factor equal to the denominator from the numerator (note this is not always possible in every case, but it works in this example) and simplify.
Remember that, as a restriction, division by
The answer is
Factor the numerator.
Cancel (b+8) from the numerator and denominator.