Answer: (x+20) (x+1)
Step-by-step explanation:
Answer:
C. (x + 4)(x + 5).
Step-by-step explanation:
We need 2 numbers whose product is + 20 and whose sum is + 9.
They are + 5 and + 4 , so
x2 + 9x +20
= (x + 4)(x + 5).
Answer:40
Step-by-step explanation:
21+8=29
29+11=40