abiwalden abiwalden

13-05-2018
Mathematics

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Simplify the rational expression x^2+4x-5/ 1-x

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Аноним Аноним

13-05-2018

Factor x^2+ 4x - 5:-

= ( x + 5)(x - 1)

so we have (x + 5)(x - 1) / -(x - 1)

so answer is -(x + 5) or it can be written as -x - 5.

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