-4n(-2n-3)-2n(1+2n) simplify the expression
Answers
Answered by
0
Step-by-step explanation:
How do you simplify
(
2
n
+
3
)
!
(
2
n
)
!
?
Precalculus Factorial Identities
1 Answer
Alan P.
Nov 14, 2015
(
2
n
+
3
)
!
(
2
n
)
!
=
(
2
n
+
3
)
(
2
n
+
2
)
(
2
n
+
1
)
Explanation:
(
2
n
+
3
)
!
(
2
n
)
!
XX
=
(
2
n
+
3
)
×
(
2
n
+
2
)
×
(
2
n
+
1
)
×
(
2
n
)
×
(
2
n
−
1
)
×
(
2
n
−
2
)
×
...
×
(
1
)
(
2
n
)
×
(
2
n
−
1
)
×
(
2
n
−
2
)
×
...
×
(
1
)
XX
=
(
(
2
n
+
3
)
(
2
n
+
2
)
(
2
n
+
1
)
Answer link
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Factorial Identities
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