Answer:
(x+4)(x+5)
Explanation:
Let's factor x2+9x+20
x2+9x+20
The middle number is 9 and the last number is 20.
Factoring means we want something like
(x+_)(x+_)
Which numbers go in the blanks?
We need two numbers that...
Addd together to get 9
multiply together to get 20
Can you think of the two numbers? hmmmmmm :D
Try 4 and 5:
4+5 = 9
4*5 = 20
Fill in the blanks in
(x+_)(x+_)
with 4 and 5 to g.et...
(x+4)(x+5)
Hope this helps :D