Asked by Debbie

I need to subtract and simplify

2/x^2-6x-27 -1/x^-12-27

I got so far

2/(x-9)(x+3) - 1/(x+9)(x+3)

not sure what to do next...please help
Answered by bobpursley
lowest common denominator is
(x-9)(x+9)(x+3)

(2(x+9) - (x-9))/lcd or
(x+27)/LCD
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