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Question Number 172631 by Mikenice last updated on 29/Jun/22

Commented by mr W last updated on 29/Jun/22

$$x!=(x+1)x(x-1)$$$$x(x-1)(x-2)!=(x+1)x(x-1)$$$$(x-2)!=x+1$$$$letu=x-2$$$$\Rightarrow u!=u+3$$$$\Rightarrow u=3\Rightarrow x=5✓$$

Commented by Rasheed.Sindhi last updated on 29/Jun/22

$$\cap \mathbf{i}\subset \in \mathbf{sir}!$$

Commented by Tawa11 last updated on 30/Jun/22

$$\mathrm{Great}\mathrm{sir}$$

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