Try Another Version of This Question Subtract and simplify. `11/( x-9)-10/( x+9)` `(189 x+ 1)/(x^2-81)` `189/( x-9)` `(x-189)/(x^2-81)` `189/(x^2-81)` `(x+189)/(x^2-81)` Box 1: Select the best answer `(x+189)/(x^2-81)`
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Box 1: Select the best answer