Try another version of this question Subtract and simplify. `6/( x-1)-3/( x+1)` `(3 x-9)/(x^2-1)` `9/( x-1)` `9/(x^2-1)` `(9 x+ 3)/(x^2-1)` `(3 x+9)/(x^2-1)` Box 1: Select the best answer `(3 x+9)/(x^2-1)`
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Box 1: Select the best answer