How do you multiply #\frac { b ^ { 2} - 4b } { b ^ { 2} + 9b + 20} \cdot ( b + 5) #?
1 Answer
Jun 12, 2017
Explanation:
1) Set the
2) Factor out that
3) Factor the
4) Cancel common factor of b+5
It can be tempting to want to multiply the second or third step out in the numerator in problems like this.
Take your time looking at the problem and seeing if you can factor out anything that might be eliminated later on to help "simplify" a little more.