Resolver (9)/(9-x)-(1)/(81-(x)^(2)) | Equatix - Math Solver

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Example

3(r+2s)=2t-4

a⋅(b-2)=3b

3(r+2s)=2t-4

a⋅(b-2)=3b

Question

$$\frac{ 9 }{ 9-x } - \frac{ 1 }{ 81- { x }^{ 2 } }$$