
Francisco P. answered 11/16/14
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Rigorous Physics Tutoring
(x + 4)/(x - 1) divided by (x2 + x)/(x - 1) is equal to
(x + 4)/(x - 1) multiplied by (x - 1)/(x2 + x).
(x + 4)(x - 1) / (x - 1)(x2 + x) = (x + 4)/(x2 + x) is the quotient.