Answer:
Consider the form
x
2
+
b
x
+
c
. Find a pair of integers whose product is
c
and whose sum is
b
. In this case, whose product is
−
72
and whose sum is
−
1
.
−
9
,
8
Write the factored form using these integers.
(
n
−
9
)
(
n
+
8
)
Step-by-step explanation:
