For f
(
x
)
=
4
(
x
+
6
)
(
2
x
−
1
)
(
3
−
x
)
(
3
x
+
2
)
f
(
x
)
=
4
(
x
+
6
)
(
2
x
-
1
)
(
3
-
x
)
(
3
x
+
2
)

Sanderson is having trouble with his assignment. his shown work is as follows: − 3 7 7 3 = − 3 7 × 7 3 = − 21 21 = −1 however, his answer does not match the answer that his teacher gives him. complete the description of sanderson's mistake. find the correct answer.