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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