Try another version of this question Subtract and simplify. `7/( x-4)-9/( x+4)` `64/( x-4)` `(-2 x-64)/(x^2-16)` `(-2 x+64)/(x^2-16)` `(64 x-2)/(x^2-16)` `64/(x^2-16)` Box 1: Select the best answer `(-2 x+64)/(x^2-16)`
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Box 1: Select the best answer