Question

boa tarde me ajudem a resolver esse problema (é urgente)

a) (x-2) ! =720

b) 8 (x+3)! =2 ÷ (x+4)!

c) (x-3)! =6 ÷ (x-5)!
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Answer 1

6!=720

(x-2)!=720

6=x-2

x=8