Menyelesaikan 3 . (a ^ 2 - 6a + 9)/(a ^ 2 - 9) | 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

$$\frac { a ^ { 2 } - 6 a + 9 } { a ^ { 2 } - 9 }$$