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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