Cancel fractions

Compress the expression of factorial:

(n+6)!/(n+4)!-n!/(n-2)!

Final Answer:

e = 12n+30

Step-by-step explanation:

e=(n+6)!/(n+4)!n!/(n2)! e=(n+6)(n+5)(n+4)!/(n+4)!n(n1)(n2)!/(n2)! e=(n+6)(n+5)n(n1) e = n2 +6n+5n+6 5 n2n e=12n+30



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combinatoricsbasic operations and conceptsGrade of the word problem

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