Answer:
(x+5)(x+4)
Step-by-step explanation:
factors of 20: 1,20,2,10,4,5
Since 4 and 5 are the only factors of 20 that have a sum of 9 the answer is (x+5)(x+4)
$8.98
3.59+3.59+1.80
162
65
addition
Example: 5^1 * 5^3= 5^4