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Mathematics 17 Online
OpenStudy (anonymous):

X^2+4x-5/1-x

OpenStudy (anonymous):

x^2 +4x -5 = x ^2 +5x -x -5 =(x+ 5) (x-1) 1-x = -(x -1) X^2+4x-5/1-x = (x+5)(x-1) / -(x-1) = - (x +5) = -x -5

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