Answer:
(x+1)(x+20)
Step-by-step explanation:
1) find two factors of 20 that sum up to 21.
2) 1 and 20 are two facts of 20 that sum up to 21.
Answer:
(n + 1)(n + 20).
Step-by-step explanation:
n^2 + 21n + 20
we need 2 numbers whose sum id 21 and whose product is 20 .
They are +1 and + 20. So the factors are:
(n + 1)(n + 20).
