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19 July, 03:01

Simplify (2 / (x^2-25)) - (4 / (x^2-10x+25))

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  1. 19 July, 03:16
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    (2 / (x^2-25)) - (4 / (x^2-10x+25)

    (2 / ((x+5) (x-5))) - (4 / ((x-5) (x-5)))

    (2 (x-5)) / ((x+5) (x-5) (x-5))) - (4 (x+5)) / ((x-5) (x-5) (x+5)))

    (2x-10-4x-20) / ((x+5) (x-5) (x-5))

    (-2x-30) / ((x+5) (x-5) ^2)
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